Acts 26:20

On the contrary, first to those at Damascus and Jerusalem, and then through the whole of Judea, and to the Gentiles as well, I began to preach repentance and conversion to God, and a life befitting that repentance.

2 Corinthians 3:14-16

But their minds were slow to learn. Indeed, to this very day, at the public reading of the Old Covenant, the same veil remains unlifted; only for those who are in union with Christ does it pass away.

Treasury of Scripture Knowledge

Summary

The remnant shall return, even the remnant of Jacob, unto the mighty God.

Bible References

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Acts 26:20
On the contrary, first to those at Damascus and Jerusalem, and then through the whole of Judea, and to the Gentiles as well, I began to preach repentance and conversion to God, and a life befitting that repentance.
2 Corinthians 3:14
But their minds were slow to learn. Indeed, to this very day, at the public reading of the Old Covenant, the same veil remains unlifted; only for those who are in union with Christ does it pass away.