I like Marty Zweig. He uses excellent risk control. Unlike some other gurus, he doesn’t believe he is predicting the future; he is simply observing what is happening and making rational bets.

Bruce S. Kovner – American investor, hedge fund manager, and philanthropist (b. 1945), on Martin “Marty” Zweig (American stock investor, investment adviser, and financial analyst, 1942-2013), from an interview with Jack Schwager for “Market Wizards: Interviews with Top Traders” (1989)