Tirukkural 93: The Utterance of Pleasant Words

Sweet speech, flowing from the heart (uttered) with a cheerful countenance and a sweet look, is true virtue

Image of Satguru Sivaya Subramuniyaswami
This is the straight and certain path, the San Marga, leading to Self Realization--the inmost purpose of life--and subsequently to moksha, freedom from rebirth.
—Gurudeva