On one side man is, to a certain extent, free, or rather some men of special mental endowments can free themselves a little from the pressure exercised upon them. Man is a slave chiefly through his passions. Love, hate, anger, thirst for glory, avarice, make him the slave of the external world. These passions spring from the perplexity of the soul, which thinks it can control things, but wears itself out, so to speak, against their obstinate resistance, and suffers pain thereby. The better the soul succeeds in comprehending the succession of causes and effects and the necessity of phenomena in the plan of the universe, the better able is it to change pain into a sense of comfort. Through higher insight, man, if he allows himself to be led by reason, can acquire strength of soul, and feel increased love to God, that is, to the eternal whole. On the one hand, this secures nobility of mind to aid men and to win them by mildness and benevolence; and creates, on the other, satisfaction, joy, and happiness. He who is gifted with highest knowledge lives in God, and God in him. Knowledge is virtue, as ignorance is, to a certain extent, vice. Whilst the wise man, or strictly speaking, the philosopher, thanks to his higher insight and his love of God, enjoys tranquillity of soul, the man of clouded intellect, who abandons himself to the madness of his passions, must dispense with this joyousness, and often perishes in consequence. The highest virtue, according to Spinoza's system, is self-renunciation through knowledge, keeping in a state of passiveness, coming as little as possible in contact with the crushing machinery of forces—avoiding them if they come near, or submitting to them if their wild career overthrows the individual. But as he who is beset by desires deserves no blame, so no praise is due the wise man who practices self-renunciation; both follow the law of their nature. Higher knowledge and wisdom cannot be attained if the conditions are wanting, namely, a mind susceptible of knowledge and truth, which one can neither give himself, nor throw off. Man has thus no final aim, any more than the eternal substance.

Spinoza's moral doctrines—ethics in the narrower sense—are just as unfruitful as his political theories. In either case, he recognizes submission as the only rational course.

With this conception of God and moral action, it cannot surprise us that Judaism found no favor in Spinoza's eyes. Judaism lays down directly opposite principles—beckons man to a high, self-reliant task, and proclaims aloud the progress of mankind in simple service of God, holiness, and victory over violence, the sword, and degrading war. This progress has been furthered in many ways by Judaism in the course of ages. Wanting, as Spinoza was, in apprehension of historical events, more wonderful than the phenomena of nature, and unable as he therefore was to accord to Judaism special importance, he misconceived it still further through his bitterness against the Amsterdam college of rabbis, who pardonably enough, had excommunicated him. Spinoza transferred his bitterness against the community to the whole Jewish race and to Judaism. As has been already said, he called the rabbis Pharisees in his "Theologico-Political Treatise" and in letters to his friends, and gave the most invidious meaning to this word. To Christianity, on the contrary, Spinoza conceded great excellencies; he regarded Judaism with displeasure, therefore, detected deficiencies and absurdities everywhere, while he cast a benevolent eye upon Christianity, and overlooked its weaknesses. Spinoza, therefore, with all the instinct for truth which characterized him, formed a conception of Judaism which, in some degree just, was, in many points, perverse and defective. Clear as his mind was in metaphysical inquiries, it was dark and confused on historical ground. To depreciate Judaism, Spinoza declared that the books of Holy Scripture contain scribes' errors, interpolations, and disfigurements, and are not, as a rule, the work of the authors to whom they are ascribed—not even the Pentateuch, the original source of Judaism. Ezra, perhaps, first collected and arranged it after the Babylonian exile. The genuine writings of Moses are no longer extant, not even the Ten Commandments being in their original form. Nevertheless, Spinoza accepted every word in the Bible as a kind of revelation, and designated all persons who figure in it as prophets. He conceded, on the ground of Scripture, that the revelation of the prophets was authenticated by visible signs. Nevertheless, he very much underrated this revelation. Moses, the prophets, and all the higher personages of the Bible had only a confused notion of God, nature, and living beings; they were not philosophers, they did not avail themselves of the natural light of reason. Jesus stood higher; he taught not only a nation, but the whole of mankind on rational grounds. The Apostles, too, were to be set higher than the prophets, since they introduced a natural method of instruction, and worked not merely through signs, but also through rational conviction. As though the main effort of the Apostles, to which their whole zeal was devoted, viz., to reach belief in the miraculous resurrection of Jesus, were consistent with reason! It was only Spinoza's bitterness against Jews which caused him to depreciate their spiritual property and overrate Christianity. His sober intellect, penetrating to the eternal connection of things and events, could not accept miracles, but those of the New Testament he judged mildly.

In spite of his condemnatory verdict on Judaism, he was struck by two phenomena, which he did not fully understand, and which, therefore, he judged only superficially according to his system. These were the moral greatness of the prophets, and the superiority of the Israelite state, which in a measure depend on each other. Without understanding the political organization, in which natural and moral laws, necessity and freedom work together, Spinoza explains the origin of the Jewish state, that is, of Judaism, in the following manner: When the Israelites, after deliverance from slavery in Egypt, were free from all political bondage, and restored to their natural rights, they willingly chose God as their Lord, and transferred their rights to Him alone by formal contract and alliance. That there be no appearance of fraud on the divine side, God permitted them to recognize His marvelous power, by virtue of which He had hitherto preserved, and promised in future to preserve them, that is, He revealed Himself to them in His glory on Sinai; thus God became the King of Israel and the state a theocracy. Religious opinions and truths, therefore, had a legal character in this state, religion and civic right coincided. Whoever revolted from religion forfeited his rights as a citizen, and whoever died for religion was a patriot. Pure democratic equality, the right of all to entreat God and interpret the laws, prevailed among the Israelites. But when, in the overpowering bewilderment of the revelation from Sinai, they voluntarily asked Moses to receive the laws from God and to interpret them, they renounced their equality, and transferred their rights to Moses. Moses from that time became God's representative. Hence, he promulgated laws suited to the condition of the people at that time, and introduced ceremonies to remind them always of the Law and keep them from willfulness, so that in accordance with a definite precept they should plough, sow, eat, clothe themselves, in a word, do everything according to the precepts of the Law. Above all, he provided that they might not act from childish or slavish fear, but from reverence for God. He bound them by benefits, and promised them earthly prosperity—all through the power and by the command of God. Moses was vested with spiritual and civil power, and authorized to transmit both. He preferred to transfer the civil power to his disciple Joshua in full, but not as a heritage, and the spiritual power to his brother Aaron as a heritage, but limited by the civil ruler, and not accompanied by a grant of territory. After the death of Moses the Jewish state was neither a monarchy, nor an aristocracy, nor a democracy; it remained a theocracy. The family of the high-priest was God's interpreter, and the civil power, after Joshua's death, fell to single tribes or their chiefs.

This constitution offered many advantages. The civil rulers could not turn the law to their own advantage, nor oppress the people, for the Law was the province of the sacerdotal order—the sons of Aaron and the Levites. Besides, the people were made acquainted with the Law through the prescribed reading at the close of the Sabbatical year, and would not have passed over with indifference any willful transgression of the law of the state. The army was composed of native militia, while foreigners, that is, mercenaries, were excluded. Thus the rulers were prevented from oppressing the people or waging war arbitrarily. The tribes were united by religion, and the oppression of one tribe by its ruler would have been punished by the rest. The princes were not placed at the head through rank or privilege of blood, but through capacity and merit. Finally, the institution of prophets proved very wholesome. Since the constitution was theocratical, every one of blameless life was able through certain signs to represent himself as a prophet like Moses, draw the oppressed people to him in the name of God, and oppose the tyranny of the rulers. This peculiar constitution produced in the heart of the Israelites an especial patriotism, which was at the same time a religion, so that no one would betray it, leave God's kingdom, or swear allegiance to a foreigner. This love, coupled with hatred against other nations, and fostered by daily worship of God, became second nature to the Israelites. It strengthened them to endure everything for their country with steadfastness and courage. This constitution offered a further advantage, because the land was equally divided, and no one could be permanently deprived of his portion through poverty, as restitution had to be made in the year of jubilee.

Hence, there was little poverty, or such only as was endurable, for the love of one's neighbor had to be exercised with the greatest conscientiousness to keep the favor of God, the King. Finally, a large space was accorded to gladness. Thrice a year and on other occasions the people were to assemble at festivals, not to revel in sensual enjoyments, but to accustom themselves to follow God gladly; for there is no more effectual means of guiding the hearts of men than the joy which arises from love and admiration.

After Spinoza had depicted Israel's theocracy quite as a pattern for all states, he was apparently startled at having imparted so much light to the picture, and he looked around for shade. Instead of answering in a purely historical manner the questions, whence it came that the Hebrews were so often subdued, and why their state was entirely destroyed; instead of indicating that these wholesome laws remained a never realized ideal, Spinoza suggests a sophistic solution. Because God did not wish to make Israel's dominion lasting, he gave bad laws and statutes. Spinoza supports this view by a verse which he misunderstood. These bad laws, rebellion against the sacerdotal state, coupled with bad morals, produced discontent, revolt, and insurrection. At last matters went so far, that instead of the Divine King, the Israelites chose a human one, and instead of the temple, a court. Monarchy, however, only increased the disorder; it could not endure the state within the state, the high-priesthood, and lowered the dignity of the latter by the introduction of strange worship. The prophets could avail nothing, because they only declaimed against the tyrants, but could not remove the cause of the evils. All things combined brought on the destruction of the divine state. With its destruction by the Babylonian king, the natural rights of the Israelites were transferred to the conqueror, and they were bound to obey him and his successors, as they had obeyed God. All the laws of Judaism, nay, the whole of Judaism, was thereby abolished, and no longer had any significance. This was the result of Spinoza's inquiry in his "Theologico-Political Treatise." Judaism had a brilliant past, God concluded an alliance with the people, showed to them His exalted power, and gave them excellent laws; but He did not intend Israel's preëminence to be permanent, therefore He also gave bad laws. Consequently, Judaism reached its end more than two thousand years ago, and yet it continued its existence! Wonderful! Spinoza found the history of Israel and the constitution of the state excellent during the barbarism of the period of the Judges, while the brilliant epochs of David and Solomon and of King Uzziah remained inexplicable to him. And, above all, the era of the second Temple, the Maccabean epoch, when the Jewish nation rose from shameful degradation to a brilliant height, and brought the heathen world itself to worship the one God and adopt a moral life, remained to Spinoza an insoluble riddle. This shows that his whole demonstration and his analysis (schematism) cannot stand the test of criticism, but rests on false assumptions.

Spinoza might have brought Judaism into extreme peril; for he not only furnished its opponents with the weapons of reason to combat Judaism more effectually, but also conceded to every state and magistrate the right to suppress it and use force against its followers, to which they ought meekly to submit. The funeral piles of the Inquisition for Marranos were, according to Spinoza's system, doubly justified; citizens have no right on rational grounds to resist the recognized religion of the state, and it is folly to profess Judaism and to sacrifice oneself for it. But a peculiar trait of Spinoza's character stood Judaism in good stead. He loved peace and quiet too well to become a propagandist for his critical principles. "To be peaceable and peaceful" was his ideal; avoidance of conflict and opposition was at once his strength and his weakness. To his life's end he led an ideally-philosophical life; for food, clothing, and shelter, he needed only so much as he could earn with his handicraft of polishing lenses, which his friends disposed of. He struggled against accepting a pension, customarily bestowed on learned men at that time, even from his sincere and rich admirers, Simon de Vries and the grand pensionary De Witt, that he might not fall into dependence, constraint, and disquiet. By reason of this invincible desire for philosophic calm and freedom from care, he would not decide in favor of either of the political parties, then setting the States General in feverish agitation. Not even the exciting murder of his friend John de Witt was able to hurry him into partisanship. Spinoza bewailed his high and noble friend, but did not defend his honor, to clear it of suspicion. When the most highly cultivated German prince of his time, Count-Palatine Karl Ludwig, who cherished a certain affection for Jews, offered him, "the Protestant Jew," as he was still called, the chair of philosophy in the University of Heidelberg under very favorable conditions, Spinoza declined the offer. He did not conceal his reason: he would not surrender his quietude. From this predominant tendency, or, rather, from fear of disturbance and inconveniences and from apprehension of calling enemies down upon him, or of coming into collision with the state, he refused to publish his speculations for a long time. When at last he resolved, on the pressure of friends, to send "The Theologico-Political Treatise" to press, he did not put his name to the work, which made an epoch in literature, and even caused a false place of publication, viz., Hamburg, to be printed on the title-page, in order to obliterate every trace of its real authorship. He almost denied his offspring, to avoid being disturbed.

As might have been foreseen, the appearance of "The Theologico-Political Treatise" (1670), made an extraordinary stir. No one had written so distinctly and incisively concerning the relation of religion to philosophy and the power of the state, and, above all, had so sharply condemned the clergy. The ministers of all denominations were extraordinarily excited against this "godless" book, as it was called, which disparaged revealed religion. Spinoza's influential friends were not able to protect it; it was condemned by a decree of the States General, and forbidden to be sold—which only caused it to be read more eagerly. But Spinoza was the more reluctant to publish his other writings, especially his philosophical system. With all his strength of character, he did not belong to those bold spirits, who undertake to be the pioneers of truth, who usher it into the world with loud voice, and win it adherents, unconcerned as to whether they may have to endure bloody or bloodless martyrdom. In the unselfishness of Spinoza's character and system there lurked an element of selfishness, namely, the desire to be disturbed as little as possible in the attainment of knowledge, in the happiness of contemplation, and in reflection upon the universe and the chain of causes and effects which prevail in it. A challenge to action, effort, and resistance to opposition lay neither in Spinoza's temper, nor in his philosophy.

In this apparently harmless feature lay also the reason that his most powerful and vehemently conducted attacks upon Judaism made no deep impression, and called forth no great commotion in the Jewish world. At the time when Spinoza threw down the challenge to Judaism, a degree of culture and science prevailed in the Jewish-Portuguese circle, unknown either before or after; there reigned in the community of Amsterdam and its colonies a literary activity and fecundity, which might be called classical, if the merit of the literary productions had corresponded with their compass. The authors were chiefly cultivated Marranos, who had escaped from the Spanish or Portuguese prisons of the Inquisition to devote themselves in free Holland to their faith and free inquiry. There were philosophers, physicians, mathematicians, philologists, poets, even poetesses. Many of these Marranos who escaped to Amsterdam had gone through peculiar vicissitudes. A monk of Valencia, Fray Vincent de Rocamora (1601–1684), had been eminent in Catholic theology. He had been made confessor to the Infanta Maria, afterwards empress of Germany and a persecutor of the Jews. One day the confessor fled from Spain, reached Amsterdam, declared himself as Isaac de Rocamora, studied medicine at the age of forty, and became the happy father of a family and president of Jewish benevolent institutions. The quondam monk, afterwards Parnass (president of the community), was also a good poet, and wrote admirable Spanish and Latin verses.