Real freedom does not mean that you can do anything you want, rather you can reject what you do not want to do.
I never buy anything unless I can give myself a good reason why I should buy it.
学习一种新编程语言的唯一方法是用它编写程序。
Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
The Langlands program is a framework for understanding the fundamental nature of mathematical truth.
Writing is not about being clever. It's about being honest.