I was asked to act when I couldn't act. I was asked to sing 'Funny Face' when I couldn't sing, and dance with Fred Astaire when I couldn't dance. Do things that you don't know you can't do.

动力学的方程是完全的，我们无需超越它们。

最好的领导者是那些能够授权他人去领导的人。

追求完美是优秀的敌人。