The best investment you can make is in yourself.
数学家的模式,就像画家或诗人的模式一样,必须是美丽的;思想,就像颜色或文字一样,必须以和谐的方式结合在一起。
记忆是一种成就,甚至是一种更新。
人类远比他们知道的要大。
"The act of writing is an act of courage, a defiance against the silence of the universe."
Education is the foundation of conservation—people protect what they understand.
The world is a book, and those who do not travel read only one page.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.