Who said "The British Constitution is nothing but a mere phantom."?

This quote is attributed to Bentham, Jeremy.

The British Constitution is nothing but a mere phantom. - Bentham, Jeremy

"The British Constitution is nothing but a mere phantom."

Bentham, Jeremy Politics

Philosopher-Jurist English 1748–1832

"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."

"Fear drives civilization. Without it, there is only chaos."

"Order through chaos. That's the only real answer."

"Politics and power corrupt when they're separated from purpose."

"The system isn't broken—it was built this way. We have to rebuild it."