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The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.

Sustainable development requires balancing economic benefits with environmental protection.

在科學中，榮譽歸于說服世界的人，而不是首先想到這個想法的人。