Psychology must be purely experimental and analytical.

The past is a foreign country; they do things differently there.

Your 20s are the perfect time to do a few things that are unusual， weird， bold， risky， unexplainable， crazy， unprofitable， and look nothing like "success". For the rest of your life， these experiences will serve as your muse

"Writing is like making love. Don’t worry about the orgasm, just concentrate on the process."

The next generation won't ask what we said—they'll ask what we did.

别逼我，我已经在悬崖边上了。

Customer needs always come first; everything else is secondary.

In one minute you can change your attitude and in that minute you can change your entire day.

教育儿童，就不需要惩罚成年人。