Invert, always invert.

The game of life is the game of everlasting learning. At least it is if you want to win.

Missing out on some opportunity never bothers us. What's wrong with someone getting a little richer than you? It's crazy to worry about this.

Move only when you have an advantage. It's very basic. You have to understand the odds and have the discipline to bet only when the odds are in your favor.

You need a different checklist and different mental models for different companies. I can never make it easy by saying, 'Here are three things.' You have to derive it yourself to ingrain it in your head for the rest of your life.

Show me the incentive and I will show you the outcome

Black-Scholes works for short-term options, but if it's a long-term option and you think you know something [about the underlying asset], it's insane to use Black-Scholes.