自由比平等重要。实现平等的企图危及了自由。如果失去了自由，就连在不自由的人中间也不会有平等。

Fear is not the enemy. It is the refusal to face it that destroys us.

"To write is to confront the chaos of existence and give it form."

The more you learn, the more you realize how little you know.

光是建筑中最重要的材料。

Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

计算机图形学中最重要的就是理解光以及它如何与表面相互作用。