The moment you stop to think about whether you love someone, you've already stopped loving that person forever.
La jalousie est le plus grand de tous les maux.
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
写作不仅是一门艺术;它是一种必需品,一种将生命注入思想的方式。
Good and great are seldom in the same man.