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.
唯一有价值的东西是你无法买到的东西。
"The imagination is the most powerful tool we have for understanding others."
The artist must be a dancer of the invisible.