Human happiness and moral duty are inseparably connected.
人类的幸福和道德责任是密不可分的。
-- George Washington 乔治华盛顿
Human happiness and moral duty are inseparably connected.
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Human happiness and moral duty are inseparably connected.
人类的幸福和道德责任是密不可分的。
-- George Washington 乔治华盛顿
