Make decisions when you are ready, not under pressure. Others will always push you to make a decision for their own purposes, internal politics, or some other external need. But you can almost always say, “I need a little more time to think about this. I’ll get back to you.” This tactic is very effective at defusing even the most difficult and uncomfortable situations.

Seeing comes before words. The child looks and recognizes before it can speak.

真相往往隐藏在细节中。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

心灵可以被视为一个物理符号系统。