我不是一个退缩的人。

不存在所谓的质量问题。

For every expert there is an equal and opposite expert, but for every fact there is not necessarily an equal and opposite fact.

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.