生命真正的意義是種樹，而不指望坐在樹蔭下。
偵查的藝術(shù)不在于看到可見之物，而在于察覺無(wú)形之物。
我看到了，我忘記了；我聽到了，我記住了；我做過了，我理解了。
【釋義】如果認(rèn)為眼下的榮華富貴會(huì)永遠(yuǎn)延續(xù)，不考慮未來的危機(jī)，這終究不是長(zhǎng)久之計(jì)。
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.