Carlyle said that men were mostly fools. Christianity, with a surer and more reverent realism, says that they are all fools. This doctrine is sometimes called the doctrine of original sin. It may also be described as the doctrine of the equality of men.
Chesterton, G. K.. The G. K. Chesterton Collection [50 Books] (Kindle Locations 44851-44854). Catholic Way Publishing. Kindle Edition.