Fool yourself
"The first principle is that you must not fool yourself --and you are the easiest person to fool." ---Richard Feynman I agree with the second part. I am the easiest person to be fooled by myself, because I like to believe what is convenient, comfortable, less scary to me. For example, I am fooled to procrastinate, because I am scared of facing the task and not having a perfect complete product. Sometimes I am fooled to be overly optimistic, because I am scared of the alternative: failure and hassle. And sometimes I am fooled to be overly pessimistic, because I am scared of the long arduous fight to achieve something, so I say "No way, I won't be able to achieve it anyways". However, I like to propose a change to the first part of Feynman's quote. If it is so easy to fool yourself, you should exploit it: you should fool yourself in a beneficial manner to avoid fooling yourself in the usual/default harmful manner. For example, when you catch yourself