Jim Simons

“One can predict the course of a comet more easily than one can predict the course of Citigroup’s stock. The attractiveness, of course, is that you can make more money successfully predicting a stock than you can a comet.”

“We have three criteria. If it’s publicly traded, liquid and amenable to modeling, we trade it.”

“We like a reasonable amount of volatility. In our business we want some action.”

“In this business it’s easy to confuse luck with brains.”

“There’s no such thing as the goose that lays the golden egg forever.”

“Patterns of price movement are not random. However, they’re close enough to random so that getting some excess, some edge out of it, is not easy and not so obvious.”