Medicine considers the human body as to the means by which it is cured and by which it is driven away from health.

Mountains have been formed by one [or other] of the causes of the formation of stone, most probably from agglutinative clay which slowly dried and petrified during ages of which we have no record. It seems likely that this habitable world was in former days uninhabitable and, indeed, submerged beneath the ocean. Then, becoming exposed little by little, it petrified in the course of ages.

Now it is established in the sciences that no knowledge is acquired save through the study of its causes and beginnings, if it has had causes and beginnings; nor completed except by knowledge of its accidents and accompanying essentials.

The world is divided into men who have wit and no religion and men who have religion and no wit.

There are no incurable diseases — only the lack of will. There are no worthless herbs — only the lack of knowledge.

An ignorant doctor is the aide-de-camp of death.

I [prefer] a short life with width to a narrow one with length.