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.

General references

Bible References

Because

Luke 3:8
Therefore bear fruits in keeping with repentance, and do not begin to say to yourselves, ‘We have Abraham for our father,’ for I say to you that from these stones God is able to raise up children to Abraham.
Luke 16:24
And he cried out and said, ‘Father Abraham, have mercy on me, and send Lazarus so that he may dip the tip of his finger in water and cool off my tongue, for I am in agony in this flame.’
John 8:37
I know that you are Abraham’s descendants; yet you seek to kill Me, because My word has no place in you.
Philippians 3:3
for we are the true circumcision, who worship in the Spirit of God and glory in Christ Jesus and put no confidence in the flesh,

In isaac

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.”

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;