Problem solving is the central activity of intelligent systems.

There's a real correlation between a society that tells people that they can do anything, and the existence of low self-esteem. So that's another way in which something quite positive can have a nasty kickback. There is another reason why we might be feeling more anxious --about our careers, about our status in the world today, than ever before. And it's, again, linked to something nice. And that nice thing is called meritocracy.

眼睛会欺骗人，双腿会累死人，但胃却专给人找麻烦！

I always believe that as long as you persist, nothing is impossible.

The challenge of quantum computing is not just technical but also conceptual.