Your biggest enemy in trading is going to be a directional bias, an opinion about market direction…whether yours, a broker’s or a friend’s. Shut it out! Learn to concentrate on the “right-hand side” of the chart–in other words, on the pattern at hand.
–-from Street Smarts, by Larry Connors and Linda Bradford Raschke (1995, M. Gordon Publishing Group, Malibu, Calif.)