“We never hired anyone from the financial world at Renaissance. We never did. Because they didn’t have anything to add, I didn’t think… We looked at a bunch of these [finance] papers. They were all wrong. Every paper was wrong.”
— Jim Simons
"Any one anomaly might be a random thing; however, if you have enough data you can tell that it's not. You can see an anomaly that's persistent for a sufficiently long time — the probability of it being random is not high."
— Jim Simons