 At the beginning of the 20th century , <unk> Kipling referred to lines 69 and 70 , alongside three lines from Samuel Taylor Coleridge 's Kubla Khan , when he claimed of poetry : " In all the millions permitted there are no more than five — five little lines — of which one can say , ' These are the magic . These are the vision . The rest is only Poetry . ' " In 1906 , Alexander <unk> argued : " The nightingale and the <unk> for long <unk> poetic <unk> privilege they enjoyed solely on account of their pre @-@ <unk> as song birds . Keats 's Ode to a Nightingale and Shelley 's Ode to a <unk> are two of the <unk> of English literature ; but both were written by men who had no claim to special or exact knowledge of <unk> as such . " Sidney <unk> , in 1920 , argued , " Throughout this ode Keats ’ s genius is at its height . <unk> cannot be more rich and satisfying , <unk> of phrase and <unk> cannot be more absolute , than in the several contrasted stanzas calling for the draft of southern vintage [ … ] To praise the art of a passage like that in the fourth stanza [ … ] to praise or comment on a stroke of art like this is to throw doubt on the reader ’ s power to perceive it for himself . " 
