我是火星人，眼里没有星星。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

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

Any change, even a change for the better, is always accompanied by drawbacks and discomforts.

Sustainability isn't an option anymore—it's a necessity for survival.