Once something is a passion, the motivation is there.

Where love is great, the littlest doubts are fear; where little fears grow great, great love grows there.

记住，声誉和正直是你最宝贵的资产——而且可能一瞬间就丧失。

你没有第二次机会，生活不是任天堂游戏。

The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.

每一个数学问题都是一个等待解决的谜题，每一个解决方案都是迈向更深入理解的一步。