Optimism is not just a trait; it's a skill that can be cultivated.

The greatest gift is the gift of life itself.

You can be the ripest, juiciest peach in the world, and there's still going to be somebody who hates peaches.

You have to believe in yourself when no one else does.

To travel is to discover that everyone is wrong about other countries.

释义：人的一生在于勤奋，不努力探索，哪会有收获? 

The study of Galois representations is a bridge between number theory and geometry.

Investing in clean energy technologies is not just good for the environment; it's good for business.