现在是过去和未来之间的一座脆弱的桥梁。

我总是感到，生活就象萌发于地下根茎的植株。生活的真正生命是不可见的，它深藏于地下根茎中，而显露出地面的可见一斑部分只能生存一个夏季。我们所见到的是将会消逝的花簇，而根茎长驻。

The truth is, I don't know what I believe. I'm still trying to figure it out.

λ演算不仅仅是一种形式主义，而是一种可以表达计算的语言。

The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.

你不能仅仅问顾客他们想要什么，然后试图满足他们。等你把产品开发出来时，他们可能已经想要新的东西了。