Le ciel est, par-dessus le toit, / Si bleu, si calme!

不要只种植作物，要培育生态系统。

最伟大的胜利来自最艰难的战斗。

知识的增长是解决问题的关键。

To understand behavior, we must look at its purpose in the context of survival and adaptation.

Just as in a good novel， a good program must be full of interesting ideas， and very， very few words.

计算机科学家的主要挑战不是被自己制造的复杂性所迷惑。