In 1760, feeling the need of some change of scene and work, Lessing went to Breslau, where he obtained the post of secretary to General Tauentzien, to whom Kleist had introduced him in Leipzig. Tauentzien was not only a general in the Prussian army, but governor of Breslau, and director of the mint. During the four years which Lessing spent in Breslau, he associated chiefly with Prussian officers, went much into society, and developed a dangerous fondness for the gaming table. He did not, however, lose sight of his true goal; he collected a large library, and, after the conclusion of the Seven Years’ War, in 1763, he resumed more enthusiastically than ever the studies which had been partially interrupted. He investigated the early history of Christianity and penetrated more deeply than any contemporary thinker into the significance of Spinoza’s philosophy. He also found time for the studies which were ultimately to appear in the volume entitled Laokoon, and in fresh spring mornings he sketched in a garden the plan of Minna von Barnhelm.

After resigning his Breslau appointment in 1765, he hoped for a time to obtain a congenial appointment in Dresden, but nothing came of this and he was again compelled, much against his will, to return to Berlin. His friends there exerted themselves to obtain for him the office of keeper of the royal library, but Frederick had not forgotten Lessing’s quarrel with Voltaire, and declined to consider his claims. During the two years which Lessing now spent in the Prussian capital, he was restless and unhappy, yet it was during this period that he published two of his greatest works, Laokoon, oder über die Grenzen der Malerei und Poesie (1766) and Minna von Barnhelm (1767). The aim of Laokoon, which ranks as a classic, not only in German but in European literature, is to define by analysis the limitations of poetry and the plastic arts. Many of his conclusions have been corrected and extended by later criticism; but he indicated more decisively than any of his predecessors the fruitful principle that each art is subject to definite conditions, and that it can accomplish great results only by limiting itself to its special function. The most valuable parts of the work are those which relate to poetry, of which he had a much more intimate knowledge than of sculpture and painting. His exposition of the methods of Homer and Sophocles is especially suggestive, and he may be said to have marked an epoch in the appreciation of these writers, and of Greek literature generally. The power of Minna von Barnhelm, Lessing’s greatest drama, was also immediately recognized. Tellheim, the hero of the comedy, is an admirable study of a manly and sensitive soldier, with somewhat exaggerated ideas of conventional honour; and Minna, the heroine, is one of the brightest and most attractive figures in German comedy. The subordinate characters are conceived with even more force and vividness; and the plot, which reflects precisely the struggles and aspirations of the period that immediately followed the Seven Years’ War, is simply and naturally unfolded.

In 1767 Lessing settled in Hamburg, where he had been invited to take part in the establishment of a national theatre. The scheme promised well, and, as he associated himself with Johann Joachim Christoph Bode (1730-1793), a literary man whom he respected, in starting a printing establishment, he hoped that he might at last look forward to a peaceful and prosperous career. The theatre, however, was soon closed, and the printing establishment failed, leaving behind it a heavy burden of debt. In despair, Lessing determined towards the end of his residence in Hamburg to quit Germany, believing that in Italy he might find congenial labour that would suffice for his wants. The Hamburgische Dramaturgie (1767-1768), Lessing’s commentary on the performances of the National Theatre, is the first modern handbook of the dramatist’s art. By his original interpretation of Aristotle’s theory of tragedy, he delivered German dramatists from the yoke of the classic tragedy of France, and directed them to the Greek dramatists and to Shakespeare. Another result of Lessing’s labours in Hamburg was the Antiquarische Briefe (1768), a series of masterly letters in answer to Christian Adolf Klotz (1738-1771), a professor of the university of Halle, who, after flattering Lessing, had attacked him, and sought to establish a kind of intellectual despotism by means of critical journals which he directly or indirectly controlled. In connexion with this controversy Lessing wrote his brilliant little treatise, Wie die Alten den Tod gebildet (1769), contrasting the medieval representation of death as a skeleton with the Greek conception of death as the twin-brother of sleep.

Instead of settling in Italy, as he intended, Lessing accepted in 1770 the office of librarian at Wolfenbüttel, a post which was offered to him by the hereditary prince of Brunswick. In this position he passed his remaining years. For a time he was not unhappy, but the debts which he had contracted in Hamburg weighed heavily on him, and he missed the society of his friends; his health, too, which had hitherto been excellent, gradually gave way. In 1775 he travelled for nine months in Italy with Prince Leopold of Brunswick, and in the following year he married Eva König, the widow of a Hamburg merchant, with whom he had been on terms of intimate friendship. But their happiness lasted only for a brief period; in 1778 she died in childbed.

Soon after settling in Wolfenbüttel, Lessing found in the library the manuscript of a treatise by Berengarius of Tours on transubstantiation in reply to Lanfranc. This was the occasion of Lessing’s powerful essay on Berengarius, in which he vindicated the latter’s character as a serious and consistent thinker. In 1771 he published his Zerstreute Anmerkungen über das Epigramm, und einige der vornehmsten Epigrammatisten—a work which Herder described as “itself an epigram.” Lessing’s theory of the origin of the epigram is somewhat fanciful, but no other critic has offered so many pregnant hints as to the laws of epigrammatic verse, or defended with so much force and ingenuity the character of Martial. In 1772 he published Emilia Galotti, a tragedy which he had begun many years before in Leipzig. The subject was suggested by the Roman legend of Virginia, but the scene is laid in an Italian court, and the whole play is conceived in the spirit of the “tragedy of common life.” Its defect is that its tragic conclusion does not seem absolutely inevitable, but the characters—especially those of the Gräfin Orsina and Marinelli, the prince of Guastalla’s chamberlain who weaves the intrigue from which Emilia escapes by death, are powerfully drawn. Having completed Emilia Galotti, which the younger generation of playwrights at once accepted as a model, Lessing occupied himself for some years almost exclusively with the treasures of the Wolfenbüttel library. The results of these researches he embodied in a series of volumes, Zur Geschichte und Literatur, the first being issued in 1773, the last in the year of his death.

The last period of Lessing’s life was devoted chiefly to theological controversy. H. S. Reimarus (1694-1768), professor of oriental languages in Hamburg, who commanded general respect as a scholar and thinker, wrote a book entitled Apologie oder Schutzschrift für die vernünftigen Verehrer Gottes. His standpoint was that of the English deists, and he investigated, without hesitation, the evidence for the miracles recorded in the Bible. The manuscript of this work was, after the author’s death, entrusted by his daughter to Lessing, who published extracts from it in his Zur Geschichte und Literatur in 1774-1778. These extracts, the authorship of which was not publicly avowed, were known as the Wolfenbütteler Fragmente. They created profound excitement among orthodox theologians, and evoked many replies, in which Lessing was bitterly condemned for having published writings of so dangerous a tendency. His most formidable assailant was Johann Melchior Goeze (1717-1786), the chief pastor of Hamburg, a sincere and earnest theologian, but utterly unscrupulous in his choice of weapons against an opponent. To him, therefore, Lessing addressed in 1778 his most elaborate answers—Eine Parabel, Axiomata, eleven letters with the title Anti-Goeze, and two pamphlets in reply to an inquiry by Goeze as to what Lessing meant by Christianity. These papers are not only full of thought and learning; they are written with a grace, vivacity and energy that make them hardly less interesting to-day than they were to Lessing’s contemporaries. He does not undertake to defend the conclusions of Reimarus; his immediate object is to claim the right of free criticism in regard even to the highest subjects of human thought. The argument on which he chiefly relies is that the Bible cannot be considered necessary to a belief in Christianity, since Christianity was a living and conquering power before the New Testament in its present form was recognized by the church. The true evidence for what is essential in Christianity, he contends, is its adaptation to the wants of human nature; hence the religious spirit is undisturbed by the speculations of the boldest thinkers. The effect of this controversy was to secure wider freedom for writers on theology, and to suggest new problems regarding the growth of Christianity, the formation of the canon and the essence of religion. The Brunswick government having, in deference to the consistory, confiscated the Fragments and ordered Lessing to discontinue the controversy, he resolved, as he wrote to Elise Reimarus, to try “whether they would let him preach undisturbed from his old pulpit, the stage.” In Nathan der Weise, written in the winter of 1778-1779, he gave poetic form to the ideas which he had already developed in prose. Its governing conception is that noble character may be associated with the most diverse creeds, and that there can, therefore, be no good reason why the holders of one sect of religious principles should not tolerate those who maintain wholly different doctrines. The play, which is written in blank verse, is too obviously a continuation of Lessing’s theological controversy to rank high as poetry, but the representatives of the three religions—the Mahommedan Saladin, the Jew Nathan and the Christian Knight Templar—are finely conceived, and show that Lessing’s dramatic instinct had, in spite of other interests, not deserted him. In 1780 appeared Die Erziehung des Menschengeschlechts, the first half of which he had published in 1777 with one of the Fragments. This work, composed a hundred brief paragraphs, was the last, and is one of the most suggestive of Lessing’s writings. The doctrine on which its argument is based is that no dogmatic creed can be regarded as final, but that every historical religion had its share in the development of the spiritual life of mankind. Lessing also maintains that history reveals a definite law of progress, and that occasional retrogression may be necessary for the advance of the world towards its ultimate goal. These ideas formed a striking contrast to the principles both of orthodox and of sceptical writers in Lessing’s day, and gave a wholly new direction to religious philosophy. Another work of Lessing’s last years, Ernst und Falk (a series of five dialogues, of which the first three were published in 1777, the last two in 1780), also set forth many new points of view. Its nominal subject is freemasonry, but its real aim is to plead for a humane and charitable spirit in opposition to a narrow patriotism, an extravagant respect for rank, and exclusive devotion to any particular church.

Lessing’s theological opinions exposed him to much petty persecution, and he was in almost constant straits for money. Nothing, however, broke his manly and generous spirit. To the end he was always ready to help those who appealed to him for aid, and he devoted himself with growing ardour to the search for truth. He formed many new plans of work, but in the course of 1780 it became evident to his friends that he would not be able much longer to continue his labours. His health had been undermined by excessive work and anxiety, and after a short illness he died at Brunswick on the 15th of February 1781. “We lose much in him,” wrote Goethe after Lessing’s death, “more than we think.” It may be questioned whether there is any other writer to whom the Germans owe a deeper debt of gratitude. He was succeeded by poets and philosophers who gave Germany for a time the first place in the intellectual life of the world, and it was Lessing, as they themselves acknowledged, who prepared the way for their achievements. Without attaching himself to any particular system of philosophical doctrine, he fought error incessantly, and in regard to art, poetry and the drama and religion, suggested ideas which kindled the enthusiasm of aspiring minds, and stimulated their highest energies.

Bibliography.—The first edition of Lessing’s collected works, edited by his brother Karl Gotthelf Lessing (1740-1812), J. J. Eschenburg and F. Nicolai, appeared in 26 vols. between 1791 and 1794, as a continuation of the Vermischte Schriften, edited by Lessing himself in 4 vols. (1771-1785); the Sämtliche Schriften, edited by Karl Lachmann, were published in 13 vols. (1825-1828), this edition being subsequently re-edited by W. von Maltzahn (1853-1857) and by F. Muncker (21 vols., 1886 ff.), the last mentioned being the standard edition of Lessing’s works. Other editions are Lessings Werke, published by Hempel, under the editorship of various scholars (23 vols., 1868-1877); an illustrated edition published by Grote in 8 vols. (1875, new ed., 1882); Lessings Werke, edited by R. Boxberger and H. Blümner, in Kürschner’s Deutsche Nationalliteratur, vols. 58-71 (1883-1890). There are also many popular editions. Lessing’s correspondence is included in the Lachmann editions and in that of Hempel (edited by C. C. Redlich, 1879; Nachträge und Berichtigungen, 1886); his correspondence with his wife was published as early as 1789 (2 vols., new edition by A. Schöne, 1885). The chief biographies of Lessing are by K. G. Lessing (his brother), (1793-1795, a reprint in Reclam’s Universalbibliothek); by J. F. Schink (1825); T. W. Danzel and G. E. Guhrauer (1850-1853, 2nd ed. by W. von Maltzahn and R. Boxberger, 2 vols., 1880-1881); A. Stahr (2 vols., 1859, 9th ed., 1887); J. Sime, Lessing, his Life and Works (2 vols., 1877); H. Zimmern, Lessing’s Life and Works (1878); H. Düntzer, Lessings Leben (1882); E. Schmidt, Lessing, Geschichte seines Lebens und seiner Schriften (2 vols., 1884-1892, 3rd ed., 1910)—this is the most complete biography; T. W. Rolleston, Lessing (in “Great Writers,” 1889); K. Borinski, Lessing (2 vols., 1900). Cf. also C. Hebler, Lessing-Studien (1862); A. Lehmann, Forschungen über Lessings Sprache (1875); W. Cosack, Materialien zu Lessings Hamburgischer Dramaturgie (1876, 2nd ed., 1891); H. Blümner, Lessings Laokoon (1876, 2nd ed., 1880); H. Blümner, Laokoon-Studien (2 vols., 1881-1882); K. Fischer, Lessing als Reformator der deutschen Literatur dargestellt (2 vols., 1881, 2nd ed., 1888); B. A. Wagner, Lessing-Forschungen (1881); J. W. Braun, Lessing im Urteile seiner Zeitgenossen (2 vols., 1884); P. Albrecht, Lessings Plagiate (6 vols., 1890 ff.); K. Werder, Vorlesungen über Lessings Nathan (1892); G. Kettner, Lessings Dramen im Lichte ihrer und unsrer Zeit (1904). Translations of Lessing’s Dramatic Works (2 vols., 1878), edited by E. Bell, and of Laokoon, Dramatic Notes and the Representation of Death by the Ancients, by E. C. Beasley and H. Zimmern (1 vol., 1879), will be found in Bohn’s “Standard Library.”

(J. Si.; J. G. R.)