Proverbs 13:18 (TLB) 18 If you refuse criticism, you will end in poverty and disgrace; if you accept criticism, you are on the road to fame.
Proverbs 25:12 (TLB) 12 It is a badge of honor to accept valid criticism.
1 Peter 3:16 (MSG) 16 Keep a clear conscience before God so that when people throw mud at you, none of it will stick. They'll end up realizing that they're the ones who need a bath.
Find the grain of truth in criticism—chew it and swallow it. D. Sutten [Draper's Book of Quotations for the Christian World.]