学习数学的唯一方法就是做数学。
Every human being has hundreds of separate people living under his skin. The talent of a writer is his ability to give them their separate names, identities, personalities and have them relate to each other.
时间和记忆是真正的艺术家；它们将现实重新塑造得更接近内心的愿望。
The essence of mathematics is not just in solving problems but in asking the right questions.
The most important thing in the programming language is the name. A language will not succeed without a good name. I have recently invented a very good name and now I am looking for a suitable language.