数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world.

"The present is just the past with a different disguise."

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

生活要么是一场大胆的冒险，要么什么都不是。

The next green revolution will be led by those who bridge tradition and innovation.