They seemed weakest in their powers of observation, perceptual discrimination, and data gathering. They seldom bothered to check on the accuracy of their statements or to check the preciseness of their thinking. To counteract this tendency I would like you to put several suggestions to the test. Genuine thinking can be threatening to our set ways of living. Thoughtfulness does not usually guarantee and easy-going, harmonious, docile acceptance of standing policies and existing authority.
Nobody seems to promise that.
Thinking does not appear to come naturally to us. Others have noticed this, not just me. At least thinking does not come as naturally to us as eating, drinking, and sleeping. We easily recognize when we are hungry, or thirsty, or sleepy. We do not seem to notice as easily when we are unthinking.