syān niṣphalaḥ kṛpaṇārtheva yācñā

sura-isa-O King of the demigods; kasmat-why; na-not; hinosi-you hurl; vajram-the thunderbolt; purah sthite-standing in front; vairini-your enemy; mayi-at me; amogham-which is infallible (your thunderbolt); ma-do not; samsayisthah-doubt; na-not; gada iva-like the club; vajrah-the thunderbolt; syat-may be; nisphalah-with no result; krpana-from a miserly person; artha-for money; iva-like; yacna-a request.