物理学家必须有一种信念，即宇宙是由理性且可理解的规律所支配的。
I'm not in competition with anybody but myself. My goal is to beat my last performance.
The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
When stocks are attractive, you buy them. Sure, they can go lower. I’ve bought stocks at $12 that went to $2, but then they later went to $30.
Success is not final, failure is not fatal: It is the courage to continue that counts.
Food safety is the lifeline of an enterprise, without safety there is nothing.
"The future belongs to those who believe in the beauty of their dreams."