Treasury of Scripture Knowledge

Summary

And God said unto Abraham, Let it not be grievous in thy sight because of the lad, and because of thy bondwoman; in all that Sarah hath said unto thee, hearken unto her voice; for in Isaac shall thy seed be called.

Bible References

In isaac

Romans 9:7
Nor, because they are the posterity of Abraham, are they all children: but in Isaac shall your posterity be called.
Hebrews 11:18
of which first-born it was said: In Isaac shall your posterity be called: