And the thing about a successful life is that a lot of the time, our ideas of what it would mean to live successfully are not our own. They're sucked in from other people; chiefly, if you're a man, your father, and if you're a woman, your mother. Psychoanalysis has been drumming home this message for about 80 years. No one's quite listening hard enough, but I very much believe it's true.
Don't think. Thinking is the enemy of creativity. It's self-conscious and anything self-concious is lousy. You can't try to do things. You simply must do things.
The best way to measure your investing success is not by whether you're beating the market but by whether you've put in place a financial plan and a behavioral discipline that are likely to get you where you want to go.