“A sheep in sheep's clothing.”
Edmund Gosse, quoted in Ferris Greenslet Under the Bridge: An Autobiography (Boston: Houghton Mifflin, 1943) p. 104.
Sometimes misattributed to Yeats.
Criticism
Thomas Sturge Moore was a British poet, author and artist.

“A sheep in sheep's clothing.”
Edmund Gosse, quoted in Ferris Greenslet Under the Bridge: An Autobiography (Boston: Houghton Mifflin, 1943) p. 104.
Sometimes misattributed to Yeats.
Criticism
“Break free, my soul, good manners are thy tomb!”
"Reason Enough", line 18; from The Sea is Kind (London: Grant Richards, 1914) p. 75.
"A Duet", line 5; from The Sea is Kind (London: Grant Richards, 1914) p. 78.
"The Gazelles", line 13; from The Centaur's Booty (London: Duckworth, 1903) p. ix.
Yvor Winters Uncollected Essays and Reviews (Chicago: Swallow Press, 1973) p. 139.
Criticism
“For milkmaids and queens and gipsy-princesses
Dream and kiss blindfold or starve upon guesses.”
"Reason Enough", line 7; from The Sea is Kind (London: Grant Richards, 1914) p. 75.