The concept of infinity is not just a mathematical abstraction, but a physical reality.

文明的分布很大程度上是气候的问题。

The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.

The beauty of mathematics lies in its ability to reveal the underlying simplicity in what appears to be complex.

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

I didn’t want to just make things. I wanted to make things better.