清洁：身体、衣服及住所，力求整洁。

Every grain we grow carries the legacy of those who cultivated the earth before us.

The study of Galois representations is a testament to the beauty of algebraic geometry.

一个人评判得越多，爱得就越少。

You don't have to understand life. You just have to live it.

可持续性不是一种选择；它是能源行业的必需品。