Canonical Reference: Dhp 100 Verified Source

“Better than a thousand hollow words is one meaningful word upon hearing which one attains tranquility and peace.”

Canonical Pali Original: Sahassamapi ce vācā, anatthapadasañhitā; Ekaṃ atthapadaṃ seyyo, yaṃ sutvā upasammati.

— Gautam Buddha
The Awakened One, Founder of Dhamma
Historical Setting & Context:

Pali Canon: Dhammapada 8.100 contrasting practical wisdom and ethical speech against empty verbosity.