Diodorus speaks of the famous columns erected near Nysa, in Arabia, where, it was said, were two of the tombs of Osiris and Isis. On one was this inscription: "I am Isis, Queen of this country. I was instructed by Mercury. No one can destroy the laws which I have established. I am the eldest daughter of Saturn, most ancient of the Gods. I am the wife and sister of Osiris the King. I first made known to mortals the use of wheat. I am the mother of Orus the King. In my honor was the city of Bubaste built. Rejoice, O Egypt, rejoice, land that gave me birth!" … And on the other was this: "I am Osiris the King, who led my armies into all parts of the world, to the most thickly inhabited countries of India, the North, the Danube, and the Ocean. I am the eldest son of Saturn: I was born of the brilliant and magnificent egg, and my substance is of the same nature as that which composes light. There is no place in the Universe where I have not appeared, to bestow my benefits and make known my discoveries." The rest was illegible.

To aid her in the search for the body of Osiris, and to nurse her infant child Horus, Isis sought out and took with her Anubis, son of Osiris, and his sister Nephte. He, as we have said, was Sirius, the brightest star in the Heavens. After finding him, she went to Byblos, and seated herself near a fountain, where she had learned that the sacred chest had stopped which contained the body of Osiris. There she sat, sad and silent, shedding a torrent of tears. Thither came the women of the Court of Queen Astarte, and she spoke to them, and dressed their hair, pouring upon it deliciously perfumed ambrosia. This known to the Queen, Isis was engaged as nurse for her child, in the palace, one of the columns of which was made of the erica or tamarisk, that had grown up over the chest containing Osiris, cut down by the King, and unknown to him, still enclosing the chest: which column Isis afterward demanded, and from it extracted the chest and the body, which, the latter wrapped in thin drapery and perfumed, she carried away with her.

Blue Masonry, ignorant of its import, still retains among its emblems one of a woman weeping over a broken column, holding in her hand a branch of acacia, myrtle, or tamarisk, while Time, we are told, stands behind her combing out the ringlets of her hair. We need not repeat the vapid and trivial explanation there given, of this representation of Isis, weeping at Byblos, over the column torn from the palace of the King, that contained the body of Osiris, while Horus, the God of Time, pours ambrosia on her hair.

Nothing of this recital was historical; but the whole was an allegory or sacred fable, containing a meaning known only to those who were initiated into the Mysteries. All the incidents were astronomical, with a meaning still deeper lying behind that explanation, and so hidden by a double veil. The Mysteries, in which these incidents were represented and explained, were like those of Eleusis in their object, of which Pausanias, who was initiated, says that the Greeks, from the remotest antiquity, regarded them as the best calculated of all things to lead men to piety: and Aristotle says they were the most valuable of all religious institutions, and thus were called mysteries par excellence; and the Temple of Eleusis was regarded as, in some sort, the common sanctuary of the whole earth, where religion had brought together all that was most imposing and most august.

The object of all the Mysteries was to inspire men with piety, and to console them in the miseries of life. That consolation, so afforded, was the hope of a happier future, and of passing, after death, to a state of eternal felicity.

Cicero says that the Initiates not only received lessons which made life more agreeable, but drew from the ceremonies happy hopes for the moment of death. Socrates says that those who were so fortunate as to be admitted to the Mysteries, possessed, when dying, the most glorious hopes for eternity. Aristides says that they not only procure the Initiates consolations in the present life, and means of deliverance from the great weight of their evils, but also the precious advantage of passing after death to a happier state.

Isis was the Goddess of Sais; and the famous Feast of Lights was celebrated there in her honor. There were celebrated the Mysteries, in which were represented the death and subsequent restoration to life of the God Osiris, in a secret ceremony and scenic representation of his sufferings, called the Mysteries of Night.

The Kings of Egypt often exercised the functions of the Priesthood; and they were initiated into the sacred science as soon as they attained the throne. So at Athens, the First Magistrate, or Archon-King, superintended the Mysteries. This was an image of the union that existed between the Priesthood and Royalty, in those early times when legislators and kings sought in religion a potent political instrument.

Herodotus says, speaking of the reasons why animals were deified in Egypt: "If I were to explain these reasons, I should be led to the disclosure of those holy matters which I particularly wish to avoid, and which, but from necessity, I should not have discussed at all." So he says, "The Egyptians have at Sais the tomb of a certain personage, whom I do not think myself permitted to specify. It is behind the Temple of Minerva." [The latter, so called by the Greeks, was really Isis, whose was the often-cited enigmatical inscription, "I am what was and is and is to come. No mortal hath yet unveiled me.">[ So again he says: "Upon this lake are represented by night the accidents which happened to him whom I dare not name. The Egyptians call them their Mysteries. Concerning these, at the same time that I confess myself sufficiently informed, I feel myself compelled to be silent. Of the ceremonies also in honor of Ceres, I may not venture to speak, further than the obligations of religion will allow me."

It is easy to see what was the great object of initiation and the Mysteries; whose first and greatest fruit was, as all the ancients testify, to civilize savage hordes, to soften their ferocious manners, to introduce among them social intercourse, and lead them into a way of life more worthy of men. Cicero considers the establishment of the Eleusinian Mysteries to be the greatest of all the benefits conferred by Athens on other commonwealths; their effects having been, he says, to civilize men, soften their savage and ferocious manners, and teach them the true principles of morals, which initiate man into the only kind of life worthy of him. The same philosophic orator, in a passage where he apostrophizes Ceres and Proserpine, says that mankind owes these Goddesses the first elements of moral life, as well as the first means of sustenance of physical life; knowledge of the laws, regulation of morals, and those examples of civilization which have improved the manners of men and cities.