成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事情，你就会成功。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
风俗习惯是人类生活的重要指南。
语言是存在的家园。
Small changes in the environment can have big effects on behavior.
【原文】冉求曰：“非不悦子之道，力不足也。”子曰：“力不足者，中道而废，今汝划。”【译文】冉求说：“我不是不喜欢您的学说，而是我的能力不足。”孔子说：“如果是能力不足的话，是走到中途才废弃而停止，但现在你还没开始，就给自己划了一条截止的界限而停止前进了。”
Collaboration across sectors is the key to solving the world's most pressing environmental challenges.
"Every saint has a past, and every sinner has a future."