"But listen to what Professor Ball says on the same page.

'It is an incontestable fact that medical men are excessively predisposed to mental aberration.' Nothing is truer.

Among medical men, those who are more especially predestined to insanity are the alienists.

It is often difficult to determine which of the two is the crazier, the madman or his doctor.

People say too that men of genius are prone to insanity.