Galatians 4:23

American Standard Version (1901)

Howbeit the son by the handmaid is born after the flesh; but the son by the freewoman is born through promise.

Cross References

Hebrews 11:11

By faith even Sarah herself received power to conceive seed when she was past age, since she counted him faithful who had promised:

Romans 10:8

But what saith it? The word is nigh thee, in thy mouth, and in thy heart: that is, the word of faith, which we preach:

Galatians 4:22

For it is written, that Abraham had two sons, one by the handmaid, and one by the freewoman.