Through the power which we win over the forces of nature we get also a gruesome kind of power over our fellow human beings. - Out of My Life and Thoughts.
I must forgive without noise or fuss.
The witch doctor succeeds for the same reason all the rest of us succeed. Each patient carries his or her own doctor inside him or her. They come to us not knowing that truth. We are at our best when we give the doctor who resides within each patient a chance to go to work.
Knowing all truth is less than doing a little bit of good.