A mathematical proof is a poem written in the language of logic.
A program without a loop and a structured variable isn't worth writing.
尽人事,听天命,心态平和最重要。  
最好的商业模式往往是最简单的。
If you don't give up, you still have a chance. Giving up is the greatest failure.
I was born to make mistakes, not to fake perfection.
数学不是一门演绎科学——那是陈词滥调。当你试图证明一个定理时,你不仅仅是列出假设然后开始推理。你所做的是反复试验、实验和猜测。