I like people admitting they were complete stupid horses'asses. I know I'll perform better if I rub my nose in my mistakes. This is a wonderful trick to learn.
There's no way that you can live an adequate life without many mistakes. In fact, one trick in life is to get so you can handle mistakes. Failure to handle psychological denial is a common way for people to go broke.
I think the attitude of Epictetus is the best. He thought that every missed chance in life was an opportunity to behave well, every missed chance in life was an opportunity to learn something, and that your duty was not to be submerged in self-pity, but to utilize the terrible blow in constructive fashion. That is a very good idea.
In my whole life, I have known no wise people who didn't read all the time—none, zero. You'd be amazed at how much Warren reads—and how much I read. My children laugh at me. They think I'm a book with a couple of legs sticking out.