Tao Te Ching

“Those who work mainly for the welfare of others are like clever people furthering their own interests;
But those who work only for their own interests are like honest people working to help others get ahead.”

— Sakya Pandita ས་སྐྱ་པཎྜ་ཏ་ཀུན་དགའ་རྒྱལ་མཚན། 1182 – 1251 CE via John T. Davenport
(Kunga Gyeltsen)
from Ordinary Wisdom, Sakya Legshe (Jewel Treasury of Good Advice)