We don't inherit the earth from our ancestors; we borrow it from our children. This principle guides every step we take.
模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。
Success is not the key to happiness. Happiness is the key to success.
自信是最好的装扮。
I always try to be grateful for every opportunity.
隐私是一项基本人权。
When people talk, listen completely. Most people never listen.