Physics is a science which must be proved with honest effort. One can, perhaps, present a subject in such a manner that an audience of laymen may be convinced erroneously that it has understood the lecture. This, however, means a furthering a superficial knowledge, which is worse and more dangerous than none at all.
In: Otto Glasser, Dr. W.C. Röntgen, Chapter VIII (p. 119), Charles C. Thomas, Publisher. 1945