I have long been skeptical of the idea of using visualization as a technology to improve performance and motivation. It seems to me that this is always some nonsense, like what you read from a cheap self-help book or what you hear from a liar's motivational speaker. But the fact is that visualization is a very simple approach and can greatly stimulate motivation. It has nothing to do with directing cosmic energy, indicating your inner purpose or any other similar nonsense. Instead, it is...