Genesis 21:12

But God said to Abraham, “Do not be distressed because of the lad and your maid; whatever Sarah tells you, listen to her, for through Isaac your descendants shall be named.

Hebrews 11:18

it was he to whom it was said, “In Isaac your descendants shall be called.”

Genesis 17:19

But God said, “No, but Sarah your wife will bear you a son, and you shall call his name Isaac; and I will establish My covenant with him for an everlasting covenant for his descendants after him.

Genesis 17:21

But My covenant I will establish with Isaac, whom Sarah will bear to you at this season next year.”

1 Samuel 8:7

The Lord said to Samuel, “Listen to the voice of the people in regard to all that they say to you, for they have not rejected you, but they have rejected Me from being king over them.

1 Samuel 8:9

Now then, listen to their voice; however, you shall solemnly warn them and tell them of the procedure of the king who will reign over them.”

Isaiah 46:10

Declaring the end from the beginning,
And from ancient times things which have not been done,
Saying, ‘My purpose will be established,
And I will accomplish all My good pleasure’;

Romans 9:7-8

nor are they all children because they are Abraham’s descendants, but: “through Isaac your descendants will 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
The Lord said to Samuel, “Listen to the voice of the people in regard to all that they say to you, for they have not rejected you, but they have rejected Me from being king over them.
Isaiah 46:10
Declaring the end from the beginning,
And from ancient times things which have not been done,
Saying, ‘My purpose will be established,
And I will accomplish all My good pleasure’;

In isaac

Genesis 17:19
But God said, “No, but Sarah your wife will bear you a son, and you shall call his name Isaac; and I will establish My covenant with him for an everlasting covenant for his descendants after him.
Romans 9:7
nor are they all children because they are Abraham’s descendants, but: “through Isaac your descendants will be named.”
Hebrews 11:18
it was he to whom it was said, “In Isaac your descendants shall be called.”

General references

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