传记不仅关乎发生了什么，更关乎它的意义。

数学的本质在于它的自由。

Flourishing rests on five pillars: positive emotion, engagement, relationships, meaning, and accomplishment.

To make love with a stranger is the best. There is nothing more exciting.

有些人如果好好鼓励，做得出一番事业；但是，还是做那种不论险阻艰辛都要干下去的汉子吧。