领导的艺术在于说不，而不是说是。说是很容易的。

Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.

"Surround yourself with talented people who share your vision."

创新不仅仅是创造新事物，而是要对人们的生活产生影响。

现在不是轻松舒适的`时候.现在是大胆和忍耐的时候。

The challenge in computer graphics is to simulate the complexity of the real world with the simplicity of mathematical models.