最危险的毒药是成就感。解药就是每天早上思考"怎样才能做得更好？"

夜晚是一座伟大的大教堂，但星星是它的窗户。

"A book is a mirror: if an ape looks into it, an apostle is unlikely to look out."

The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.

诗歌是心灵的行为，而不是世界的转录。

数学是给不同事物起相同名字的艺术。

创新的关键不仅在于想法，还在于执行。