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The speech we hear is an indication of that which we don't hear.
In the end, we only regret the chances we didn't take.
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.
诗人是人类情感的守护者。
No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind.
采矿业必须发展以满足不断变化的世界的需求,否则将被淘汰。