Genesis 15:8-17   8. And he said, Lord GOD, whereby shall I know that I shall inherit it? 9. And he said unto him, Take me an heifer of three years old, and a she goat of three years old, and a ram of three years old, and a turtledove, and a young pigeon. 10. And he took unto him all these, and divided them in the midst, and laid each piece one against another: but the birds divided he not. 11. And when the fowls came down upon the carcases, Abram drove them away. 12. And when the sun was going down, a deep sleep fell upon Abram; and, lo, an horror of great darkness fell upon him. 13. And he said unto Abram, 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; 14. And also that nation, whom they shall serve, will I judge: and afterward shall they come out with great substance. 15. And thou shalt go to thy fathers in peace; thou shalt be buried in a good old age. 16. But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full. 17. And it came to pass, that, when the sun went down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.

Exodus 4:1-9   1. And Moses answered and said, But, behold, they will not believe me, nor hearken unto my voice: for they will say, The LORD hath not appeared unto thee. 2. And the LORD said unto him, What is that in thine hand? And he said, A rod. 3. And he said, Cast it on the ground. And he cast it on the ground, and it became a serpent; and Moses fled from before it. 4. And the LORD said unto Moses, Put forth thine hand, and take it by the tail. And he put forth his hand, and caught it, and it became a rod in his hand: 5. That they may believe that the LORD God of their fathers, the God of Abraham, the God of Isaac, and the God of Jacob, hath appeared unto thee. 6. ¶And the LORD said furthermore unto him, Put now thine hand into thy bosom. And he put his hand into his bosom: and when he took it out, behold, his hand was leprous as snow. 7. And he said, Put thine hand into thy bosom again. And he put his hand into his bosom again; and plucked it out of his bosom, and, behold, it was turned again as his other flesh. 8. And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign. 9. And it shall come to pass, if they will not believe also these two signs, neither hearken unto thy voice, that thou shalt take of the water of the river, and pour it upon the dry land: and the water which thou takest out of the river shall become blood upon the dry land.