"Not to mention the curious story about Galen and the patient ill from an overdose of theriacum, who was cured by another dose of the same substance, nor the ridicule of the doctrine of contraries by Paracelsus and Van Helmont, nor the fact that the _contraries_ of Boerhaave, by his own explanation, merely signify whatever substances prove their contrariety to the disease by curing it -- to pass by these, we find one of the main objects of homoeopathy, the discovery of specifics, insisted upon by Lord Bacon in his words already quoted."