&quot;Knowledge is Power&quot; ~ Norman Rockwell, 1917. I remember having to write &#x27;the correct classroom behavior&#x27; that I had failed to do on the blackboard - over and over - until it was completely filled...then clean the board and clap the erasers. (Hard to imagine teacher&#x27;s doing this sort of thing these days. I always tried to write my phrases as large as possible!