It’s not possible for investors to consistently outperform the market. Therefore you’re best served investing in a diversified portfolio of low-cost … - Charlie Munger

Forgetting your mistakes is a terrible error if you’re trying to improve your cognition. Reality doesn’t remind you. Why not celebrate stupidities in both categories?

There is nothing more counterproductive than envy. Someone in the world will always be better than you. Of all the sins, envy is easily the worst, because you can't even haven any fun with it. It's a total net loss.

I see [Bitcoin as] an artificial speculative medium that people are buying just because they think they can sell it to somebody else at a higher price, even though it inherently has no intrinsic value. So, I regard the whole business as anti-social, stupid, immoral. [...] I regard the thing as a combination of dementia and immorality, and I think the people that are pushing it are a disgrace.