Genesis 12:3 in the King James Version
And I will bless them that bless thee, and curse him that curseth thee: and in thee shall all families of the earth be blessed.
Context
2 I will make of you a great nation. I will bless you and make your name great. You will be a blessing.
3 I will bless those who bless you, and I will curse him who treats you with contempt. All the families of the earth will be blessed through you.”
4 So Abram went, as the LORD had told him. Lot went with him. Abram was seventy-five years old when he departed from Haran.