If we can use an H-bomb–and as you said it’s no checker game; it’s real, it’s war and nobody is fooling around–isn’t it sort of ridiculous to go crawling around in the weeds, throwing knives...

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...

[D]espite what our intuition tells us, changes in the world’s population are not generally neutral. They are either a good thing or a bad thing. But it is uncertain even what form a correct theory...

The creed which accepts as the foundation of morals, Utility, or the Greatest-Happiness Principle, holds that actions are right in proportion as they tend to promote happiness, wrong as they tend to produce the reverse...

I will call no being good who is not what I mean when I apply that epithet to my fellow creatures; and if such a creature can sentence me to hell for not so calling...