"Beauty is truth, truth beauty,—that is all / Ye know on earth, and all ye need to know." These iconic lines conclude which poem by John Keats?

• ক Ode to Autumn
• খ Ode on Melancholy
• গ Ode to a Nightingale
• ঘ Ode on a Grecian Urn ✅ সঠিক উত্তর