解释：冬天不洗冰水，并不是吝惜冰；夏天不烤火，也不是舍不得火。而是因为这样做对身体不适宜。
For beautiful eyes, look for the good in others; for beautiful lips, speak only words of kindness; and for poise, walk with the knowledge that you are never alone.
The arithmetic of algebraic varieties is a window into the hidden structures of mathematics.
最有力的故事是那些提出问题，而非给出答案的故事。
大海不拒绝各种各样的水，所以才能成就它的博大；大山不拒绝形形色色的土石，所以才能成就它的高峻；贤明的君主不嫌弃百姓，所以能够聚集众多的臣民；读书人不厌倦学习，所以能达到圣贤的境界。
学习的每一个方面或智能的任何其他特征都可以原则上被精确描述，以至于可以制造一台机器来模拟它。
"To be human is to be unfinished, to be always becoming."
You don't have to burn books to destroy a culture. Just get people to stop reading them.
