Aretaeus of Cappadocia quotes:

This is a mighty wonder: in the discharge from the lungs alone, which is not particularly dangerous, the patients do not despair of themselves, even although near the last. Concerning Tuberculosis.

A period of lewdness and shamelessness exists with the highest type of manic delirium.

In diabetes the thirst is greater for the fluid dries the body ... For the thirst there is need of a powerful remedy, for in kind it is the greatest of all sufferings, and when a fluid is drunk, it stimulates the discharge of urine.

Melancholia is the beginning and a part of mania. The development of a mania is really a worsening of the disease (melancholia) rather than a change into another disease.

When he can render no further aid, the physician alone can mourn as a man with his incurable patient. This is the physician's sad lot.

Lethargics are to be laid in the light, and exposed to the rays of the sun for the disease is gloom.