“[The introverted thinking type]… tends to vanish behind a cloud of misunderstanding… Although he will shrink from no danger in building up his world of ideas, and never shrinks from thinking a thought because it might prove to be dangerous, subversive, heretical, or wounding to other people’s feelings, he is none the less beset by the greatest anxiety if ever he has to make it an objective reality. That goes against the grain. And when he puts his ideas into the world, he never introduces them like a mother solicitous for her children, but simply dumps them there and gets extremely annoyed if they fail to thrive on their own account…. However clear to him the inner structure of his thoughts may be, he is not in the least clear where or how they link up with the world of reality. Only with the greatest difficulty will he bring himself to admit that what is clear to him may not be equally clear to everyone. His style is cluttered with all sorts of adjuncts, accessories, qualifications, retractions, saving clauses, doubts, etc., which all come from his scrupulosity. His work goes slowly and with difficulty.”