Quote by Bentham, Jeremy
"Pain and pleasure are the guardians of the human race."
More from Bentham, Jeremy
"It is the greatest happiness of the greatest number that is the measure of right and wrong."
"Nature has placed mankind under two sovereign masters, pain and pleasure."
"The question is not, Can they reason? nor, Can they talk? but, Can they suffer?"
"All punishment is mischief; all punishment in itself is evil."