Valmiki Ramayana Ayodhya Kanda Sarga 73 Shloka 16
Original Shlokaसोऽहं कथमिमं भारं महाधुर्यसमुद्धृतम्। दम्योधुरमिवाऽऽसाद्य वहेयं केनचौजसा।। 2.73.16।।
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सः अहम् such as me, इमं भारम् this burden, आसाद्य having taken, महाधुर्यसमुद्धृतम् carried by a great bull fit to be yoked, धुरम् the weight, दम्यः इव like an young bullock requiring training, केन by what, ओजसा strength, वहेयम् I shall bear?
Like a young untrained bullock that cannot carry the weight fit for a great bull, with what strength can I bear this burden?