Tell me your heroes and I'll tell you how your life will end up
It's much easier to stay out of trouble now than to get out of trouble later.
It is more important to say "no" to an opportunity, than to say "yes".
In my opinion, the entire field of investment management, involving hundreds of billions of dollars, would be more satisfactorily conducted if everyone had a good yardstick for measurement of ability and sensibly applied it.
Do not put all your eggs in one basket.
When investing, pessimism is your friend, euphoria the enemy.