Ramayana
सो ऽहं द्वितीयं काकुत्स्थ न वक्ष्यामि तवोत्तरम् । मा द्वितीयेन दण्डो वै निपतेन्मयि मानद ॥ 7-63-7 ॥
"Therefore I, O scion of Kakutstha, shall not utter a reply to you a second time. Let not punishment fall upon me through a second reply, O bestower of honor."
english translation