To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.

I never doubted myself. I knew that I was going to be something.

Without ecological balance, there is no real economic benefit.

"I think that mathematicians are much more like artists than they are like scientists."

数学不是关于数字、方程、计算或算法的：它是关于理解的。