I am a vegetarian because I believe that present-day ethics is founded on that puerile, pre-Darwinian delusion that all other kinds of creatures and … - J. Howard Moore

The inhabitants of the earth are all alike in one particular—they are all striving to experience pleasure and to avoid pain. Early in the evolution of living beings, these two opposite forms of experience were hit upon as the determinants of conduct; and the plan worked so well that it has been continued ever since. It is an excellent scheme in a world where simple survival is the main thing. It promotes earnestness. But it is inconvenient, to say the least. And it ought to be changed if there could ever be found a way to do it.

No man has a right to a million dollars. If so where did he get the right? Not from Nature nor reason, but from man-made legislatures—from the same immaculate source from which he got the right a little while ago to cut the blood out of the backs of poor helpless Africans with hippopotamus whips. No man has a right to monopolise the world to the extent of a million dollars. It is more than one man's share—much more. We are brothers. The world belongs to all of us, not to any one class. A million dollars in one hand means over-appropriation—plunder, too often scaped with fiendish unconcern from the bleeding palms of the poor. Every millionaire or multi-millionaire that wallows in golden mud-puddles compels hundreds of other men to go through life deprived of their birthright. I would be ashamed to be rich, and I would be ashamed to know that I had my share of the world and the shares of hundreds or thousands of my fellow-men besides. If there is one thing that ought to be plain, even to simpletons, it is the fact that the privilege of being born carries with it the right to an inalienable equity in the world in which we at birth find ourselves. It is not true, however prevalently it may be practised, that men acquire the right to own and hold and use the earth, and to exclude others from its use, by being born with the power or opportunity to get possession of it.

At times Moore strikes contemporary ethicists as rather ridiculous, arguing, for instance, against meat-eating even by wild animals. It is likely that Moore's ardent vegetarianism contributed to this attitude.