Galatians 3:8
The Scripture foresaw that God would accept the heathen as upright in consequence of their faith, and preached the good news in advance to Abraham in the words, "All the heathen will be blessed through you."
Acts 3:25
You are the descendants of the prophets and the heirs of the agreement that God made with your forefathers when he said to Abraham, 'Through your posterity all the families of the earth will be blessed.'
Galatians 3:16
Now the promises were made to Abraham and his line. It does not say, "and to your lines," in the plural, but in the singular, "and to your line," that is, Christ.
Hebrews 11:2
For it was by it that the men of old gained God's approval.