數(shù)學的美在于它允許我們抽象出現(xiàn)實世界的復雜性，專注于基本原則。
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.
我沒時間恨那些恨我的人，因為我忙著愛那些愛我的人。
Our culture is not just something we carry in our hearts; it is the very fabric of our existence.
【講解】：聰明的人不會疑惑，實行仁德的人會憂愁，真正勇敢的人，不會畏懼。