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.
"The past is always present in the way we live now."
【释义】财富的增长在于方法和策略,不在于身体的辛劳;利益的获取在于地位和权势,不在于辛勤耕种。
Doubt is not a pleasant condition, but certainty is an absurd one.