Thirukkural 268

தன்னுயிர் தான்அறப் பெற்றானை ஏனைய மன்னுயி ரெல்லாந் தொழும்.

Tannu-yir taan-aram petraaanai enai-ya man-nu-yir ellaam tholum

The one who has mastered his own life through virtue—all other living things will serve him without constraint.