在这个无意义的世界里，追求快乐是唯一赋予生命意义的事情。

True progress happens when we balance economic growth with environmental stewardship.

It's better to wait for a revolution than to evolve.

Never underestimate the power of perseverance.

I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.

When we write programs that "learn", it turns out that we do and they don't.

人类精神的力量是无限的。