2 Corinthians 13:3

since you demand a proof that Christ is speaking through me. For Christ is not exhibiting weakness toward you but power in you.

Galatians 1:16

chose to unveil His Son in me, so that I might preach the good news about Him among the heathen, at once, before I conferred with any human creatures,

Treasury of Scripture Knowledge

Summary

I will stand upon my watch, and set me upon the tower, and will watch to see what he will say unto me, and what I shall answer when I am reproved.

Bible References

Unto me

2 Corinthians 13:3
since you demand a proof that Christ is speaking through me. For Christ is not exhibiting weakness toward you but power in you.
Galatians 1:16
chose to unveil His Son in me, so that I might preach the good news about Him among the heathen, at once, before I conferred with any human creatures,