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
Hell is not eternal. Nor is there a Satan who tempts man and opposes God's power, though there are devilish beings called asuras, immature souls caught in the abyss of deception and hurtfulness.