We must turn to nature itself, to the observations of the body in health and in disease to learn the truth.

What medicines do not heal, the lance will; what the lance does not heal, fire will.

It is most necessary to know the nature of the spine. One or more vertebrae may or may not go out of place very much and if they do, they are likely to produce serious complications and even death, if not properly adjusted. Many diseases are related to the spine.

Time is that wherein there is opportunity, and opportunity is that wherein there is no great time.

But medicine has long had all its means to hand, and has discovered both a principle and a method, through which the discoveries made during a long period are many and excellent, while full discovery will be made, if the inquirer be competent, conduct his researches with knowledge of the discoveries already made, and make them his starting-point. But anyone who, casting aside and rejecting all these means, attempts to conduct research in any other way or after another fashion, and asserts that he has found out anything, is and has been victim of deception.

The art is long, life is short

Medicine is of all the Arts the most noble; but, owing to the ignorance of those who practice it, and of those who, inconsiderately, form a judgment of them, it is at present behind all the arts.