I am sure that one secret of a successful teacher is that he has formulated quite clearly in his mind what the pupil has got to know in precise fashion. He will then cease from half-hearted attempts to worry his pupils with memorizing a lot of irrelevant stuff of inferior importance.
Alfred North WhiteheadWhat is morality in any given time or place? It is what the majority then and there happen to like and immorality is what they dislike.
Alfred North WhiteheadIt is natural to think that an abstract science cannot be of much importance in affairs of human life, because it has omitted from its consideration everything of real interest.
Alfred North Whitehead