It is impossible to unsign a contract, so do all your thinking before you sign.
I learned to go into business only with people whom I like, trust, and admire.
If you hit a hole in one every hole, you wouldn’t play golf for very long.
If I subscribed to the efficient market theory I would still be delivering papers
Investing in a market where people believe in efficiency is like playing bridge with someone who has been told it doesn't do any good to look at the cards.
The fundamental basis of above-average performance in the long run is sustainable competitive advantage.