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

The question is not can animals speak but can they suffer.

There is no pestilence in a state like a zeal for religion, independent of morality.

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

The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.

O Logic: born gatekeeper to the Temple of Science, victim of capricious destiny: doomed hitherto to be the drudge of pedants: come to the aid of thy master, Legislation

We may scatter the seeds of courtesy and kindness about us at little expense. Some of them will fall on good ground, and grow up into benevolence in the minds of others, and all of them will bear fruit of happiness in the bosom whence they spring.