There are two kinds of charlatan: the man who is called a charlatan, and the man who really is one. The first is the quack who cures you; the second is the highly qualified person who doesn't.
Gilbert K. ChestertonDo not be proud of the fact that your grandmother was shocked at something which your are accustomed to seeing or hearing without being shocked. ... It may be that your grandmother was an extremely lively and vital animal and that you are a paralytic.
Gilbert K. Chesterton