Although individuals may be highly intelligent, they are sometimes dogged by skepticism and doubts. They are clever, but they tend to be hesitant and skeptical and are never really able to settle down. These people are the least receptive.
One can be deceived by three types of laziness: of indolence, which is the wish to procrastinate; the laziness of inferiority, which is doubting your capabilities; and the laziness that is attachment to negative actions, or putting great effort into non-virtue.