【释义】：积累千万财富，不如掌握一门技艺。  

The only real death is the death of the spirit.

如果你愿意，我们可以回到那个山洞。

悲伤只是无处安放的爱。

Persist in doing what you love, and don't give up easily even when facing difficulties.

"He who has a why to live can bear almost any how."

没有人比说真话的人更招人恨。

Men trust their ears less than their eyes.

数学的美只向更有耐心的追随者展示。