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"The joy of discovery is certainly the liveliest that the mind of man can ever feel."
不把怒气转移到别人身上,不重复犯同样的错误。
A non-moral use of a term does not necessarily tell us what the term means.
有时我们会为某些事情感到悲伤,而我们不愿意告诉别人我们为此感到悲伤。