  Incidentally, you must not believe that it was because of physics  that I introduced the linear differential form d\(\varphi\) in addition  to the quadratic form. I wanted rather to eliminate this  “inconsistency” which always has been a bone of  contention to   me.[95]  And then, to my surprise, I realized that it looked as if it might  explain electricity. You clap your hands above your head and shout:  But physics is not made this way!