I think we have to learn to stop judging ourselves. Once we do that and live by our deepest principles, we no longer let others' judgments affect us strongly, and we have, consequently, no desire to judge others.

It's best never to judge ourselves; we should just evaluate who we are but not place judgments on that evaluation. The judgmental view is that everything is either good or bad (in the negative) and it just simply isn't true in life.

Proper evaluation resembles shades of gray more than it does black or white.
Besides, when people are judgmental, they are revealing more of themselves than the person whom they're judging! (One is inclined to think in a situation like that, "so that's what's wrong with you, huh, since you are so inclined to judge others that way?")

It's living by our deepest principles that helps to free us from many things, in my view.