幽默是应对生活荒谬的一种方式。
Humor is a way to deal with the absurdity of life.
However difficult life may seem, there is always something you can do, and succeed at. It matter that you don’t just give up.
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.