The saying goes, ‘The sage rests, truly rests and is at ease.’ This manifests itself in calmness and detachment, so that worries and distress cannot affect him, nothing unpleasant can disturb him, his Virtue is complete and his spirit is not stirred up.
Chuang Chou, a.k.a. Chuang Tzu, Chuang Tse Chuang : Chinese philosopher, major thinker in Taoism
Chuang Tzu (c.360 BC – c. 275 BC)
Source: The Book of Chuang Tzu (Arkana S.), Page: 130