What counts is what you do with your money, not where it came from.

I should mention that I am a member of the board of directors of Dimensional Fund Advisors.

Arbitrage proof has since been widely used throughout finance and economics.

Everybody has some information. The function of the markets is to aggregate that information, evaluate it and get it incorporated into prices.

What counts is what you do with your money, not where it came from.

To beat the market you'll have to invest serious bucks to dig up information no one else has yet.

... Any pension fund manager who doesn't have the vast majority-and I mean 70% or 80% of his or her portfolio-in passive investments is guilty of malfeasance, nonfeasance or some other kind of bad feasance!