Genesis 22:15-18

Then the angel of the LORD called to Abraham a second time from heaven, and said, “By Myself I have sworn, declares the LORD, because you have done this thing and have not withheld your son, your only son, indeed I will greatly bless you, and I will greatly multiply your seed as the stars of the heavens and as the sand which is on the seashore; and your seed shall possess the gate of their enemies. In your seed all the nations of the earth shall be blessed, because you have obeyed My voice.”