People in general have no notion of the sort and amount of evidence…

Truth in all its kinds is most difficult to win; and truth in medicine is the most difficult of all.

The diagnosis of disease is often easy, often difficult, and often impossible.

The practice of physic is jostled by quacks on the one side, and by science on the other.

There is nothing so captivating as new knowledge.

Beware of language, for it is often a great cheat.

We should always presume the disease to be curable, until its own nature prove it otherwise.