Genesis 21:12

Then 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 has said unto thee, hearken unto her voice; for in Isaac shall thy seed be called.

Hebrews 11:18

of whom it was said, That in Isaac shall thy seed be called,

Genesis 17:19

And God said, Sarah thy wife shall bear thee a son indeed, and thou shalt call his name Isaac (laughter); and I will confirm my covenant with him for an everlasting covenant and with his seed after him.

Genesis 17:21

But I will establish my covenant with Isaac, whom Sarah shall bear unto thee at this set time in the next year.

1 Samuel 8:7

And the LORD said unto Samuel, Hearken unto the voice of the people in all that they say unto thee, for they have not rejected thee, but they have rejected me that I should not reign over them.

1 Samuel 8:9

Now, therefore, hearken unto their voice; however first protest solemnly against them by declaring unto them the rights of the king that shall reign over them.

Isaiah 46:10

declaring the end from the beginning, and from ancient times the things that are not yet done, saying, My counsel shall stand, and I will do all my pleasure:

Romans 9:7-8

neither, because they are the seed of Abraham, are all sons, but, In Isaac shall thy seed be called.

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.

General references

Bible References

Hearken

1 Samuel 8:7
And the LORD said unto Samuel, Hearken unto the voice of the people in all that they say unto thee, for they have not rejected thee, but they have rejected me that I should not reign over them.
Isaiah 46:10
declaring the end from the beginning, and from ancient times the things that are not yet done, saying, My counsel shall stand, and I will do all my pleasure:

In isaac

Genesis 17:19
And God said, Sarah thy wife shall bear thee a son indeed, and thou shalt call his name Isaac (laughter); and I will confirm my covenant with him for an everlasting covenant and with his seed after him.
Romans 9:7
neither, because they are the seed of Abraham, are all sons, but, In Isaac shall thy seed be called.
Hebrews 11:18
of whom it was said, That in Isaac shall thy seed be called,

General references

Genesis 21:3
And Abraham called the name of his son that was born unto him, whom Sarah bore to him, Isaac.
Genesis 25:5
And Abraham gave all that he had unto Isaac.