The development of computational complexity theory has shown us that not all problems are created equal.

The source of all suffering is attachment.

You can't please everyone, so don't try.

I’m not a pessimist. I’m an optimist trained in pessimism.

I'm not the best singer in the world, but I'm passionate about what I do.

体育精神是在胜利时不沾沾自喜，在失败时不抱怨，并尊重对手的能力。