The study of the errors into which great minds have fallen in the pursuit of truth can never be uninstructive. . . No man is so wise but that he may learn some wisdom from his past errors, either of thought or action, and no society has made such advances as to be capable of no improvement from the retrospect of its past folly and credulity.
Charles MackayHe who has mingled in the fray of duty that the brave endure, must have made foes. If you have none, small is the work that you have done.
Charles MackayMen, it has been well said, think in herds; it will be seen that they go mad in herds, while they only recover their senses slowly, and one by one.
Charles Mackay