"The goal of mathematics is to understand the universe."

文学是一次旅行，一次对未知的探索，一次对真理的追寻。

The only way to do great work is to love what you do.

I never think about the past. I always look forward to the next challenge.

Sustainable infrastructure should balance economic, social and environmental benefits.

Every ton of aggregate we produce carries the weight of responsibility—to our customers and our communities.

在每一本书中，都有作者灵魂的一部分。