I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.

You don't have to be a person that's always with somebody to be happy. You can be happy alone.

我不是政客，不是传教士，我只是个载体。