Treasury of Scripture Knowledge

Summary

Neither, because they are the seed of Abraham, are they all children: but, In Isaac shall thy seed be called.

In isaac

Bible References

Because

Luke 3:8
Bring forth, therefore, fruits worthy of repentance. And begin not to say within yourselves, We have Abraham for our father; for I say to you, that God is able from these stones to raise up children for Abraham.
Luke 16:24
And he called to him and said, Father Abraham, have mercy on me, and send Lazarus, that he may dip the tip of his finger in water, and cool my tongue; for I am tormented in this flame.
John 8:37
I know that you are the posterity of Abraham; yet you seek to kill me, because my word has no place in you.
Philippians 3:3
For we are the circumcision, who worship God in spirit, and rejoice in Christ Jesus, and have no confidence in the flesh;

In isaac

Hebrews 11:18
of which first-born it was said: In Isaac shall your posterity be called: