All breathing, existing, living, sentient creatures should not be slain, nor treated with violence, nor abused, not tormented, nor driven away. This is the pure, unchangeable, eternal law.
Authentication Score 3
The Akaranga Sutra. c. 4th century BC, lecture 4, lesson 1.
Jaina Sutras. Part 1. Translated by Herman Jacobi. Gyan Publishing House, 2021, Akaranga sutra, lecture 4, lesson 1.