一个好的数学家是能看到定理之间类比关系的人。一个伟大的数学家是能看到类比关系之间的类比关系的人。
一个人，如果不是他们留下的痕迹，又是什么呢？
The language of poetry is the language of the heart, and it speaks to the heart in a way that no other language can.
The most important single aspect of software development is to be clear about what you are trying to build.
People are curious. A few people are. They will be driven to find things out, even trivial things. They will put things together, knowing all along that they may be mistaken. You see them going around with notebooks, scraping the dirt off gravestones, reading microfilm, just in the hope of seeing this trickle in time, making a connection, rescuing one thing from the rubbish.
The essence of science is not to complicate the simple, but to simplify the complex.
