Quality is never an accident; it is always the result of intelligent effort.
质量从来不是偶然的；它始终是智慧努力的结果。
I don’t create utopias; I make what is possible.
La poesía no es un lujo, es una necesidad.
你知道的越多，你看到的就越多。
The power of literature lies in its ability to make us see the world in a new way.
充分发挥人的天性禀赋，发挥得越多越好：运用天性去穷究物理，极尽智力，通达自然，思惟神妙，造就豁达的胸怀和高洁的品德；尽量压抑人的情感欲望，遏制到越少越好：管束自己去谨慎说话，持重办事，约束自身，心地高洁，还要节衣缩食并减少情欲和嗜好。
A mathematician is a device for turning coffee into theorems.