Genesis 21:12

But God said, Let it not be a grief to you because of the boy and Hagar his mother; give ear to whatever Sarah says to you, because it is from Isaac that your seed will take its name.

Hebrews 11:18

Of whom it had been said, From Isaac will your seed take their name:

Genesis 17:19

And God said, Not so; but Sarah, your wife, will have a son, and you will give him the name Isaac, and I will make my agreement with him for ever and with his seed after him.

Genesis 17:21

But my agreement will be with Isaac, to whom Sarah will give birth a year from this time.

1 Samuel 8:7

And the Lord said to Samuel, Give ear to the voice of the people and what they say to you: they have not been turned away from you, but they have been turned away from me, not desiring me to be king over them.

1 Samuel 8:9

Give ear now to their voice: but make a serious protest to them, and give them a picture of the sort of king who will be their ruler.

Isaiah 46:10

Making clear from the first what is to come, and from past times the things which have not so far come about; saying, My purpose is fixed, and I will do all my pleasure;

Romans 9:7-8

And they are not all children because they are the seed of Abraham; but, In Isaac will your seed be named.

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 to Samuel, Give ear to the voice of the people and what they say to you: they have not been turned away from you, but they have been turned away from me, not desiring me to be king over them.
Isaiah 46:10
Making clear from the first what is to come, and from past times the things which have not so far come about; saying, My purpose is fixed, and I will do all my pleasure;

In isaac

Genesis 17:19
And God said, Not so; but Sarah, your wife, will have a son, and you will give him the name Isaac, and I will make my agreement with him for ever and with his seed after him.
Romans 9:7
And they are not all children because they are the seed of Abraham; but, In Isaac will your seed be named.
Hebrews 11:18
Of whom it had been said, From Isaac will your seed take their name:

General references

Genesis 21:3
And Abraham gave to his son, to whom Sarah had given birth, the name Isaac.
Genesis 25:5
Now Abraham gave all his property to Isaac;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain