And you who wish to represent by words the form of man and all the aspects of his membrification, relinquish that idea. For the more minutely you describe the more you will confine the mind of the reader, and the more you will keep him from the knowledge of the thing described. And so it is necessary to draw and to describe.

To discover the soul living in somebody's body, we watch the surrounding of the body, and if it's messy and disordered, so is the soul.

He turns not back who is bound to a star.

Learning acquired in youth arrests the evil of old age.

Medicine is the restoration of discordant elements; sickness is the discord of the elements infused into the living body.

Man's external form, marvellously constructed, is not much as compared with the divine soul that dwells inside that structure.

To me it seems that those sciences are vain and full of error which are not born of experience, mother of all certainty, first-hand experience which in its origins, or means, or end has passed through one of the five senses.