text:  If you study the theory of revolutions you will not fail to observe that wherever in constructing your barrier you employ ignorant engineers who have not duly calculated the depth and velocity of the current; whenever you raise your dam to such a height that no flood will carry away the waste waters; whenever you talk of finality to the torrent saying thus long shalt thou flow and no longer; whenever you put upon your power a larger wheel than it can turn--you are slowly but surely preparing for that flood which will overwhelm your work destroy your mills your dams and your engines; in a word you are the remote cause of a revolution