Jeremy Bentham — "Nature has placed mankind under the governance of two sovereign masters, pain an…"

"The value of a pleasure or pain considered by itself, will be greater or less, according to six circumstances: 1. Its intensity. 2. Its duration. 3. Its certainty or uncertainty. 4. Its propinquity or…"

"Nature has placed mankind under the governance of two sovereign masters, pain and pleasure. It is for them alone to point out what we ought to do, as well as to determine what we shall do."

"The public good ought to be the object of the legislator: the utility of the public, the motive of the legislator."

"I shall at least be not altogether useless after my death."

"The age of reason is the age of experiment."