若是有足够的空间，婴儿会爬行去抓取东西。

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

Program testing can be used to show the presence of bugs, but never to show their absence!

Literature should be a thorn in the side of society

Graceful silence speaks more profoundly than empty words.

艺术的本质功能是道德的。但这是激情、含蓄的道德，不是说教的。这种道德改变的是血液，而不是思想。