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.
预测未来的最好方法就是创造未来。
The key to success is to focus on goals, not obstacles.
不能与心意相通的人在一起,徒然编织着同心草。