People who avoid all criticism fail. It's destructive criticism we need to avoid, not criticism in all forms.
Tim FerrissBut you are the average of the five people you associate with most, so do not underestimate the effects of your pessimistic, unambitious, or disorganized friends. If someone isn't making you stronger, they're making you weaker.
Tim FerrissIn all cases where doubt crops up, ask yourself, "If I had a gun to my head and had to do it, how would I do it?" It's not as hard as you think.
Tim Ferriss