因为他们是社会动物，满足根据是非原则行事不仅是个人的责任，而且是他获得长远幸福的源泉。

Because they are social beings, fulfilling their quest meant benefiting others. Acting according to the principles of right and wrong is not only one' s duty, but contributes to one' s deep happiness.

youdao

因为他们是社会动物，满足根据是非原则行事不仅是个人的责任，而且是他获得长远幸福的源泉。

Because they are social beings, fulfilling their quest meant benefiting others. Acting according to the principles of right and wrong is not only one' s duty, but contributes to one' s deep happiness.

youdao