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.
无限小的事物在自然中的作用是无限大的。
理论计算机科学中的挑战不仅仅是解决问题,而是理解问题解决的本质。
The world is full of stories, and from time to time they permit themselves to be told.