2 Corinthians 8:11; 2 Corinthians 8:22

11 Now therefore perform the doing of it; that as there was a readiness to will, so there may be a performance also out of that which ye have.

22 And we have sent with them our brother, whom we have oftentimes proved diligent in many things, but now much more diligent, upon the great confidence which I have in you.