I don't really care what people say about me. I know who I am.
We don't need perfect knowledge to take sensible actions.
计算机图形学中的挑战在于用数学模型的简单性来模拟现实世界的复杂性。
The journey of discovery is filled with uncertainties, but it is these uncertainties that make science so exciting.
Acting deals with very delicate emotions. It is not putting up a mask. Each time an actor acts he does not hide; he exposes himself.