《庄子·外篇·至乐》
如果认为是好行为，却不足以存活自身；如果认为不是好行为，却又足以使别人存活下来。
若以为善矣，不足活身；以为不善矣，足以活人。
If it is considered good, however, it is insufficient to sustain one’s life; if it is considered not good, it is sufficient to make others survive.