The sole justification of teaching, of the school itself, is that the student comes out of it able to do something he could not do before. I say do and not know, because knowledge that doesn't lead to doing something new or doing something better is not knowledge at all.
Jacques BarzunConvince yourself that you are working in clay, not marble, on paper not eternal bronze: Let that first sentence be as stupid as it wishes.
Jacques Barzun