(The Buddha lived c. 6th-5th centuries BCE, but this quote based on his teachings was recorded in the 3rd century BCE)
“A person is not skilled
just because he talks a lot.
Peaceful, friendly, secure–
that one is called ‘skilled.'”
- From The Dhammapada (Verses on the Way, Chapter 19), recorded in the 3rd century BCE. Translation by Glenn Wallis, 2004.