I know a psychology professor who often says: "The only people who see the world clearly are the clinically depressed." Reasonable self-deception is actually a

I know a psychology professor who often says: "The only people who see the world clearly are the clinically depressed." Reasonable self-deception is actually a very important thing for us to develop, because we're not good at doing things we don't believe ourselves to be capable of doing. It's not about thinking you're superman, or pretending you've accomplished something you haven't. It's about giving yourself the go-ahead to try.