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.
技术变革不是外生的;它是人们对市场激励做出反应而采取的有意行动的结果。
The way we communicate with others and with ourselves ultimately determines the quality of our lives.