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。

Who is it that I aspire to be? That is the question that we should be asking ourselves all the time.

译文：一心想完成替君主收复国家失地的大业，争取生前死后都留下为国立功的美名。可叹如今满头白发已经丛生!

Nonviolence is a powerful and just weapon which cuts without wounding and ennobles the man who wields it.

The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it.

我不是一种潮流，我是一个标志。