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I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.
梦想不会逃跑,会逃跑的永远都是自己。
The most important thing in communication is hearing what isn't said.
The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.