Nor because they are his descendants are they all Abraham's children. On the contrary, "It is through Isaac that your offspring will be reckoned."
NIV
And they are not all the children of Abraham because they are by blood his descendants. No, [the promise was] Your descendants will be called and counted through the line of Isaac[though Abraham had an older son]. [Gen. 21:9-12.]AMP
Neither, because they are the seed of Abraham, are they all children: but, In Isaac shall thy seed be called.
KJV
But the LORD was gracious to them and had compassion and showed concern for them because of his covenant with Abraham, Isaac and Jacob. To this day he has been unwilling to destroy them or banish them from his presence.
NIV
But the Lord was gracious to them and had compassion on them and turned toward them because of His covenant with Abraham, Isaac, and Jacob, and would not destroy them or cast them from His presence yet. [Mal. 3:6.]AMP
And the LORD was gracious unto them, and had compassion on them, and had respect unto them, because of his covenant with Abraham, Isaac, and Jacob, and would not destroy them, neither cast he them from his presence as yet.
KJV
Isaac trembled violently and said, "Who was it, then, that hunted game and brought it to me? I ate it just before you came and I blessed him – and indeed he will be blessed!"
NIV
Then Isaac trembled and shook violently, and he said, Who? Where is he who has hunted game and brought it to me, and I ate of it all before you came and I have blessed him? Yes, and he shall be blessed.
AMP
And Isaac trembled very exceedingly, and said, Who? where is he that hath taken venison, and brought it me, and I have eaten of all before thou camest, and have blessed him? yea, and he shall be blessed.
KJV
"There will be weeping there, and gnashing of teeth, when you see Abraham, Isaac and Jacob and all the prophets in the kingdom of God, but you yourselves thrown out."
NIV
There will be weeping and grinding of teeth when you see Abraham and Isaac and Jacob and all the prophets in the kingdom of God, but you yourselves being cast forth (banished, driven away).
AMP
There shall be weeping and gnashing of teeth, when ye shall see Abraham, and Isaac, and Jacob, and all the prophets, in the kingdom of God, and you yourselves thrust out.
KJV