> Not everyone is motivated by success. Grigori Perelman? I don't see how he wasn't motivated by success. He wasn't solving recreational math puzzles. True, h

> Not everyone is motivated by success. Grigori Perelman? I don't see how he wasn't motivated by success. He wasn't solving recreational math puzzles. True, his definition of success didn't include money or prestigious prizes. Still, proving a great and long-standing theorem is a way greater accomplishment than becoming a millionaire.