A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
预测未来的最好方法就是创造未来。
真理常常被掩埋在深深的沉默中。
女人是用来被爱的,不是用来被理解的。
这就是所谓的适应习惯,安于风俗啊。 
Every mathematical problem is a window into a deeper understanding of the world.