In mathematics, the simplest questions often lead to the most profound discoveries.

"Love is scary: it changes; it can go away. That's the part of the risk."

人类并非厌恶工作。根据可控条件，工作可能成为满足感的源泉，也可能成为惩罚的来源。

他一直太忙以至于无法生活，现在他太忙以至于无法死去。

I think children are the best critics because they're completely honest.

教育在经济发展中的作用不可低估；它是创新和生产力的基础。