2 Corinthians 3:16

but whenever it turneth to the Lord, the veil is taken away.

Romans 11:23

And they also, if they do not continue in their unbelief, will be grafted in; for God is able to graft them in again.

John 6:45-46

It is written in the prophets, "And they shall all be taught of God." Every one that hath heard the Father, and hath learnt from him, cometh to me.

Romans 11:25-27

For I would not have you ignorant, brethren, of this mystery, lest ye should be wise in your own conceits, that blindness hath to some extent come upon Israel, until the fullness of the gentiles shall have come in.

Treasury of Scripture Knowledge

Summary

Nevertheless when it shall turn to the Lord, the vail shall be taken away.

The vail

General references

Bible References

When

Romans 11:25
For I would not have you ignorant, brethren, of this mystery, lest ye should be wise in your own conceits, that blindness hath to some extent come upon Israel, until the fullness of the gentiles shall have come in.

The vail

John 6:45
It is written in the prophets, "And they shall all be taught of God." Every one that hath heard the Father, and hath learnt from him, cometh to me.

General references

Luke 9:45
But they knew not the meaning of these words, and it was hidden from them, that they might not perceive it; and they were afraid to ask him about these words.
Luke 24:45
Then he opened their understanding, that they might understand the Scriptures.
Romans 11:23
And they also, if they do not continue in their unbelief, will be grafted in; for God is able to graft them in again.