Genius is an infinite capacity for taking pains. The only thing is to peg away.
 W. Somerset Maugham, Of Human Bondage (1915). copy citation

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Author W. Somerset Maugham
Source Of Human Bondage
Topic pain genius
Date 1915
Language English
Reference
Note
Weblink http://www.gutenberg.org/cache/epub/351/pg351-images.html

Context

“Philip, a little disconcerted, was silent as he lit a cigarette. "Did Clutton say anything about my work?" she asked suddenly. "No, I don't think he did," said Philip. "He's no good, you know. He thinks he's a genius, but he isn't. He's too lazy, for one thing. Genius is an infinite capacity for taking pains. The only thing is to peg away. If one only makes up one's mind badly enough to do a thing one can't help doing it." She spoke with a passionate strenuousness which was rather striking. She wore a sailor hat of black straw, a white blouse which was not quite clean, and a brown skirt.” source