Patience and persistence are the keys to unlocking the mysteries of mathematics.

真正的学者不在于知识渊博，而在于热爱真理并真诚追求。

皮革的未来在于平衡传统与创新，尊重工艺同时拥抱新技术。

It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

"Every word we speak carries the weight of our history and the hope of our future."

Never stop learning—the moment you do, you fall behind.