"Pike Bishop, like Butch Cassidy, would be a man who refuses to change with the times, a dinosaur who's outlived his day in the sun. Deke Thornton, his nemesis, would be the man who ha changed, the wild stallion now broken, saddled and harnessed by the system; the man who had sacrificed his vitality for the chance to go on living, who would survive physically but spiritually was dead"

(If they move kill them. The life and times of Sam Peckinpah, David Weddle)