To write is to descend into the abyss of oneself.

"The best investment you can make is in yourself."

过度的道路通向智慧的宫殿。

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.