如果你不犯错，说明你解决的问题还不够难。那本身就是个大错误。
If you don’t make mistakes, you’re not working on hard enough problems. And that’s a big mistake.
艺术应该让舒适者不安，让不安者舒适。
计算效率的概念是学习算法设计的核心。
真正的自由不是做你想做的事，而是不做你不想做的事。
Success in business comes from understanding people, not just products.
The artist deals with what cannot be said in words.