成功的最好方式是永不放弃。

我不完美，也不假装完美。

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.

可持续发展不是一种选择；它是我们对后代的责任。

人类的心灵被设计来寻找并发现证实其已有信念的证据。