I needn't tell you that success and failure prove nothing - the whole thing is a lottery. It's pleasant to succeed; but for a philosophic mind it oughtn't to be very upsetting to fail.
George Sandliving for oneself is a bad thing. The keenest intellectual pleasure comes from being able to return to the self after being absent from it for a spell. But living all the time inside the self, that most tyrannical, demanding and capricious of companions - no, one shouldn't do it.
George Sand