时间不是药，药在时间里。

What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.

I'm not here to please everyone; I'm here to be myself.

小智慧不及大智慧，寿命短不及寿命长。怎么知道会是这样呢？有一种早上生的菌，活不过一天，不知道白天和黑夜；寒蝉春生夏死、夏生秋死，活不过一年，不知道春秋，这就叫短寿。楚国的南方有一种大树叫“冥灵”，以五百年为春，五百年为秋；上古有“大椿”树，以八千年为春，八千年为秋，这就叫长寿。

You cannot always control what goes on outside, but you can always control what goes on inside.