爱是理解并接受对方。

"Life on a lifeboat isn't much of a life. It is like an end game in chess, a game with few pieces. The elements couldn't be more simple, nor the stakes higher."

你越爱自己，就越能爱别人。

计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。

争论是俗不可耐的，因为道德社会里每个人都持完全相同的观点。