我们生活在一个人们根据他们最坏的行为而不是最好的行为来评判的世界。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

阅非为抵驳亦非舌簧；览不为胡诌而为衡虑。

The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

I'm not going to sit here and say I'm a role model, because I'm not trying to be.

爱不像石头一样静止不动；它必须像面包一样被制作，不断重新制作，不断更新。

There are two ways to write error-free programs; only the third one works.