The challenge of computer science is not just to build faster machines, but to understand the very fabric of computational possibility.

I'm not a rapper, I'm a purgatory legend.

过去总是与我们同在，但它不必定义我们的未来。

I'm not here to tell you what to think. I'm here to tell you to think.

I'm rich enough to be able to afford to be honest.

Music has taught me how to face the ups and downs of life.

可持续发展不是一种选择，而是我们对后代的责任。