“All tremble at violence; life is dear to all. Putting oneself in the place of another, one should neither kill nor cause others to kill.”
Canonical Pali Original: Sabbe tasanti daṇḍassa, sabbesaṃ jīvitaṃ piyaṃ; Attānaṃ upamaṃ katvā, na haneyya na ghātaye.
— Gautam Buddha
The Awakened One, Founder of Dhamma
Pali Canon: Dhammapada 10.130 formulating the Golden Rule of Buddhist ethics (Attanam upamam katva - putting oneself in another's place).