To understand the arithmetic of algebraic varieties is to understand the symmetries hidden within them.

他一直太忙以至于无法生活，现在他太忙以至于无法死去。

Sustainability is not an option; it's a necessity for the future of our industry.

True innovation comes from questioning what we think we know.

Challenges are what make us grow; embrace them with courage and determination.

Life has no meaning a priori. It is up to you to give it a meaning.

解释：饿了再吃，粗茶淡饭味道也像吃肉一样可口。安稳走路就不会感觉到劳累，权当坐车。

女人的美丽必须从她的眼睛中看到，因为那是通往她心灵的门户，是爱所在的地方。