I smell blood and an era of prominent madmen. - W.H. Auden
I believe in the power of the imagination to remake the world, to release the truth within us, to hold back the night, to transcend death, to charm motorways, to ingratiate ourselves with birds, to enlist the confidences of madmen. - J.G. Ballard
Nations are as equal as so many madmen or drunkards. - Fritz Leiber
The vast majority of human beings dislike and even actually dread all notions with which they are not familiar... Hence it comes about that at their first appearance innovators have generally been persecuted, and always derided as fools and madmen. - Aldous Huxley
The most dangerous madmen are those created by religion, and ... people whose aim is to disrupt society always know how to make good use of them on occasion. - Denis Diderot
Only criminals and madmen walk into Central Park after midnight...or, occasionally, an actor. (Dark City Lights) - Jane Dentinger
Since the dawn of time there have been those among us who have been willing to go to extraordinary lengths to gain access to that domain normally reserved for birds, angels, and madmen.
Toward the accomplishment of an aim, which in wantonness of atrocity would seem to partake of the insane, he will direct a cool judgement, sagacious and sound. These men are madmen, and of the most dangerous sort. - Herman Melville