Ramayana
ततो मनोरथं सत्यं पितुर्नारायणं प्रति । करोमीति तमेवाहं हृदयेन समुद्वहे ॥ 7-17-16 ॥
Thereafter, to make true my father's heart's wish concerning Narayana, I bear that very resolve within my heart, vowing, "I shall accomplish it."
english translation