出自《论语·雍也》，指不把怒气转移到别人身上，不重复犯同样的错误。

Sustainability isn't a choice anymore—it's a necessity for any business that wants to thrive in the long term.

Law is nothing else than an ordinance of reason for the common good， made by him who has care of the community.

If you really want to succeed, then first forget about success and do what you love.

When you do something best in the world, you can’t really improve on that.

学习数学的最好方法就是做数学。