All these are required if we want to be exalted with our families and with God forever.
This covenant path, "has been true since the beginning of time."
"Adam and Eve, Noah and his wife, Abraham and Sarah, Lehi and Sariah, and all other devoted disciples of Jesus Christ —since the world was created —have made the same covenants with God."
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.
When Israel was lead out of Egypt, they were lead out by a cloud by day and a fire by night. These were the sign of the Lord. Passing in the middle of the cut animals was the covenant made by men. "If I keep not the covenant may I be cut asunder as these animals." It was a one-sided covenant the Lord made with Abraham. The Lord was giving everything.