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The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
He who is not contented with what he has,would not be contented with what he would like to have.
人生来无知,而不是愚蠢;他们是通过教育而变得愚蠢的。
采矿中的风险管理不是要消除所有风险 - 那是不可能的 - 而是要明智地理解和减轻风险。