I think a very good system in a world with a lot of passive investors is one in which there are at least a few entrepreneurial investors, prepared to say what they think, prepared to propose a change in management, change in strategy, change in cost structure, capital structure.
Bill AckmanShort-term market and economic prognostication is largely a foolโs errand, we invest according to a strategy that makes the need to rely on short-term market or economic assessments largely irrelevant.
Bill Ackman