For three years Abraham dwelt in Charan, till God called him to go further with his wife Sarah, and to take up his abode in Canaan; but Terah and Lot remained at Charan. Abraham reached Canaan and pitched his tent among the inhabitants of that land; and on the spot where God promised that He would give him all that pleasant country for his inheritance, he erected an altar to the Eternal One. For fifteen years he had dwelt in Canaan, and Abraham was now aged 70, when, on the 15th day of the first month (Nisan), on the self-same day on which, in after years, the children of Israel went out of Egypt, the voice of God came to him saying, “I am the Lord that brought thee out of the furnace of Chaldæa; to thee will I give this land to inherit it.” And he said, “Lord God, whereby shall I know that I shall inherit it? Shall my descendants be faithful and true, and serve Thee the living God, or will they rebel against God, against Thee, as did the men before the Flood, and as did the men of Shinar who builded the tower?” Then God bade him take an heifer of three years old, or a she-goat of three years old, and a ram, and a turtle-dove, and a young pigeon. And he took all these and divided them in the midst, and laid each piece one against another; but the birds divided he not.[304] And God said to him, “When, in after days, thy descendants shall build me a temple, in it shall these five kinds of victims be offered to me.” “But,” said Abraham, “should the temple be destroyed, what then shall they do?” “Then,” answered the Most Holy, “they shall offer to me in spirit, and I will pardon their sins.” The beasts and birds also signified the races over which his seed was to reign; the beasts he divided, and they betokened the Gentile races, from which they were to purge away their idolatry: but _the birds divided he not_; for the birds signified the elect nation. Then came ravens and vultures down upon the carcases, but Abraham drove them away (ver. 11); a symbol of the protection which God would accord to the people, for His promise sake, and the sake of their father Abraham, when the powers of evil, or mighty princes, menaced them. And when the sun was going down, a deep sleep fell upon Abraham (ver. 12), and he saw the four realms,—the horror-awakening Babylonian, Medo-Persian, Syro-Grecian, and Roman empires. And God said to Abraham (ver. 13), “_Know of a surety that thy seed shall be a stranger in a land that is not theirs, and shall serve them; and they shall afflict them four hundred years._ But in the fourth generation thy seed shall come hither again, after I have plagued the nation that has held them in bondage with 250 plagues.” “Is this decree spoken to punish me for my crimes?” asked Abraham.