I believe that everything happens for a reason. People change so that you can learn to let go, things go wrong so that you appreciate them when they're right.

Lisp语言被设计成可扩展的，很容易为其添加新功能。

Never invest in any idea you can't illustrate with a crayon.

Be happy, but never satisfied.

理解自然的基本力量对于理解宇宙至关重要。