Moderate labor of the body conduces to the preservation of health, and cares many initial diseases.

And so I conclude that blood lives and is nourished of itself and in no way depends on any other part of the body as being prior to it or more excellent... So that from this we may perceive the causes not only of life in general... but also of longer or shorter life, of sleeping and waking, of skill, of strength and so forth.

Civilization is only a series of victories against nature.

Very many maintain that all we know is still infinitely less than all that still remains unknown.

Moderate labor of the body conduces to the preservation of health, and cares many initial diseases.

Nature is nowhere accustomed more openly to display her secret mysteries than in cases where she shows tracings of her workings apart from the beaten paths; nor is there any better way to advance the proper practice of medicine than to give our minds to the discovery of the usual law of nature, by careful investigation of cases of rarer forms of disease.

Nature is a volume of which God is the author.