HT to Beginning with Moses for a link to a great article on The Cross and Criticism - Giving and Taking Criticism as Christians:

"�In light of God�s judgment and justification of the sinner in the cross of Christ, we can begin to discover how to deal with any and all criticism. By agreeing with God�s criticism of me in Christ�s cross, I can face any criticism man may lay against me. In other words, no one can criticize me more than the cross has. And the most devastating criticism turns out to be the finest mercy. If you thus know yourself as having been crucified with Christ, then you can respond to any criticism, even mistaken or hostile criticism, without bitterness, defensiveness, or blame shifting. Such responses typically exacerbate and intensify conflict, and lead to the rupture of relationships. You can learn to hear criticism as constructive and not condemnatory because God has justified you.........

If I know myself as crucified with Christ, I can now receive another's criticism with this attitude: 'You have not discovered a fraction of my guilt. Christ has said more about my sin, my failings, my rebellion and my foolishness than any man can lay against me. I thank you for your corrections. They are a blessing and a kindness to me. For even when they are wrong or misplaced, they remind me of my true faults and sins for which my Lord and Savior paid dearly when He went to the cross for me. I want to hear where your criticisms are valid.'"