Sanskrit (romanised) · Atharvaveda, Śaunaka (Sanskrit, IAST)
yo naḥ śapād aśapataḥ śapato yaś ca naḥ śapāt vṛkṣa iva vidyutā hata ā mūlād anu śuṣyatu
English · William Dwight Whitney
Whoever shall curse us not cursing, and whoever shall curse us cursing, like a tree smitten by a thunderbolt, let him dry up from the root.