I don’t like stress. I don’t like debt. I don’t like to worry. So I try to buy things that are cheap enough so that if they don’t work out, I don’t lose much.

做人，就是要承担责任。

"A book can be more dangerous than a knife in the right hands."

科学的进步不仅是通过回答问题，而是通过提出更好的问题。