The spirit of dogmatic theology poisons anything it touches.

Pleasure is in itself a good; nay, even setting aside immunity from pain, the only good.

Nature has placed mankind under the government of two sovereign masters, pain and pleasure.

All punishment is mischief; all punishment in itself is evil.

Happiness is a very pretty thing to feel, but very dry to talk about.

The request of industry to government is as modest as that of Diogenes to Alexander: Get out of my light.

I don't care whether animals are capable of thinking; all I care about is that they are capable of suffering!