
Edna St. Vincent Millay, in "First Fig" from A Few Figs from Thistles (1920); said to be a motto Roald Dahl lived by.
Misattributed
Variant: My candle burns at both ends;
It will not last the night;
But, ah, my foes, and, oh, my friends —
It gives a lovely light.
Source: Boy: Tales of Childhood