The best way to learn mathematics is to do mathematics.
只有分子存在。其他一切都是社会学。
成功排在努力前面的唯一地方就是在字典里。
The only way to keep the small folk loyal is to make sure they fear you more than they fear your enemies. 
只有到了气候寒冷的时候,才能了解松柏傲霜独立的品格。
The only limits in life are the ones you make.