A human being can benefit from another to the extent of that person's knowledge. First, we should remem­ber that the whole world is at the mercy of the mind, which has four phases. One phase is absorbed atten­tion; the second is the result of that, in mind activity; the third phase dif­ferentiates through the intellect; and the fourth draws inferences out of that differentiation, through which an intoxicated, intense sense of plea­sure occurs – and this is pride.