释义：圆的器物容易滚动，而方的器物则易于停止，这是器物的差异；金属刚硬而水则柔弱，这是它们的物性不同。

The most important thing in computer graphics is to understand light and how it interacts with surfaces.

I've learned that you shouldn't go through life with a catcher's mitt on both hands; you need to be able to throw something back.

你不能戴着丝绒手套搞革命。

互联网是协作的地方，但它也需要信任。

The land is our mother, the rivers our blood. We live because the land lives.

Prison life consists of routine, and then more routine.