Ramayana
यश्च त्वामभियुञ्जीत युद्धाय विगतज्वरः । तं शूलो भस्मसात्कृत्वा पुनरेष्यति ते करम् ॥ 7-61-10 ॥
"And whoever assails you in battle, free from fear, this trident, after reducing him to ashes, will return again to your hand."
english translation