Mark 4:12

that seeing they may see, and not perceive, and hearing they may hear, and not understand, lest at any time they should turn, and be forgiven.

Luke 1:16

and many of the children of Israel shall he turn to the Lord their God.

2 Timothy 2:25-26

in meekness correcting the adversaries, that God may give them a change of mind to a knowledge of the truth,

Treasury of Scripture Knowledge

Summary

Turn us again, O God of hosts, and cause thy face to shine; and we shall be saved.

Bible References

We shall

Mark 4:12
that seeing they may see, and not perceive, and hearing they may hear, and not understand, lest at any time they should turn, and be forgiven.
2 Timothy 2:25
in meekness correcting the adversaries, that God may give them a change of mind to a knowledge of the truth,