There is in all animals a sense of duty that man condescends to call instinct.
所有动物都有一种责任感，人类屈尊称之为本能。
-- Robert Brault 罗伯特·布拉特
There is in all animals a sense of duty that man condescends to call instinct.
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There is in all animals a sense of duty that man condescends to call instinct.
所有动物都有一种责任感，人类屈尊称之为本能。
-- Robert Brault 罗伯特·布拉特
