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.
生活是一段旅程,无论道路和住宿多么糟糕,都必须前行。
The moment you stop trying to be better is the moment you start to die.