W.B. Yeats (1865–1939). The Wild Swans at Coole. 1919.
30. On being asked for a War Poem
I
A poet keep his mouth shut, for in truth
We have no gift to set a statesman right;
He has had enough of meddling who can please
A young girl in the indolence of her youth,
Or an old man upon a winter’s night.