Acts 2:39

for the promise is to you, and to your children, and to all that are afar off, even as many as the Lord our God shall call.

Acts 3:25-26

ye are the children of the prophets, and of the covenant which God made with our fathers, when he said to Abraham, "all the families of the earth shall be blessed in your posterity."

Romans 4:16

therefore the inheritance is of faith, that it might be meerly of favour, to the end the promise might be assured to all his posterity, not to that part only who have the law, but to that also who have the faith of Abraham, the father of us all, as it is written,

Romans 9:7-8

neither are they who are the race of Abraham, all children: but 'tis said, "in Isaac shall thy posterity be called."

1 Corinthians 15:58

therefore, my beloved brethren, be ye inflexibly steady, and continually surpass others in the work of the Lord, knowing that he will not leave your christian labour unrewarded.

Galatians 3:29

and if you belong to Christ, you are Abraham's offspring, and his heirs by virtue of the promise.

Treasury of Scripture Knowledge

Summary

They shall not labour in vain, nor bring forth for trouble; for they are the seed of the blessed of the LORD, and their offspring with them.

Bible References

Shall

1 Corinthians 15:58
therefore, my beloved brethren, be ye inflexibly steady, and continually surpass others in the work of the Lord, knowing that he will not leave your christian labour unrewarded.

For

Acts 2:39
for the promise is to you, and to your children, and to all that are afar off, even as many as the Lord our God shall call.
Acts 3:25
ye are the children of the prophets, and of the covenant which God made with our fathers, when he said to Abraham, "all the families of the earth shall be blessed in your posterity."
Romans 4:16
therefore the inheritance is of faith, that it might be meerly of favour, to the end the promise might be assured to all his posterity, not to that part only who have the law, but to that also who have the faith of Abraham, the father of us all, as it is written,
Romans 9:7
neither are they who are the race of Abraham, all children: but 'tis said, "in Isaac shall thy posterity be called."
Galatians 3:29
and if you belong to Christ, you are Abraham's offspring, and his heirs by virtue of the promise.