Persistence is key in mathematical research; many great results come from long struggles.
坚持是数学研究的关键，许多伟大的成果来自于长期的奋斗。
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
在自然状态下，利益是权利的尺度。
Hustle hard, die empty.
A word after a word after a word is power.
解释：有的东西外表华丽而实质不好，有的东西实质很好而外表并不华丽。