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譯文：為人處世必須以忠厚老實的人為效仿對象，傳承家業必須要把勤儉節約的習慣傳給子孫后代。賞析：忠厚老實之人做事有自己的原則，他們不會耍心機，不會算計別人，這樣的人值得我們尊重。不管是富貴或是貧窮，我們都應把勤儉節約的習慣放在心頭。貧窮時不節儉，會更加貧窮，富貴時不節儉，萬貫家財都會被敗光。

Life is too short to be anything but happy.

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.