John Kent, Observations on the Causes, Symptoms…
“ I am not vain enough to challenge the world, like a mountebank; I am aware that they do, in some constitutions, sometimes fail of effecting a cure; yet the great majority of instances in which they have succeeded after every other means had been tried, fully entitle them to superior consideration; more especially, as in those cases where they may have failed of complete success, they have evidently been of essential service in retarding the progress and alleviating the pain of the disease. ”
