“Burn not thy fingers to snuff another man's candle.”
English Proverbs (1659)
            K 40 
Aphorisms (1765-1799), Notebook K (1789-1793)
        
“Burn not thy fingers to snuff another man's candle.”
English Proverbs (1659)
Source: The Roominghouse Madrigals: Early Selected Poems, 1946-1966
Source: Moby-Dick or, The Whale
                                        
                                        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
                                    
                                        
                                        I. 
2010s, 2011, Mortality (2012)
                                    
                                
                                    “As it has been said:
Love and a cough
cannot be concealed.
Even a small cough.
Even a small love.”