True leadership means making tough decisions today for a better tomorrow.

The theory of probabilities is at bottom nothing but common sense reduced to calculus.

I didn't just jump back on the bike and win. There were a lot of ups and downs, good results and bad results, but this was a long-term plan.

The only real prison is fear, and the only real freedom is freedom from fear.

文化的解释不是寻找规律的实验科学，而是寻找意义的解释性科学。

Your brand is what people say about you when you're not in the room.