Personal purity isn’t really the issue. Not supporting animal abuse – and persuading others not to support it – is.

Knowing that we can control our own behaviour makes it more likely that we will.

I don't think nationalism is alone holding the field; it's in contention with a lot of different things.

Extreme poverty is not only a condition of unsatisfied material needs. It is often accompanied by a degrading state of powerlessness.

I'm a Utilitarian, so I don't see the rule against lying as absolute; it's always subject to some overriding utility which may prevent its exercise.

Cheats prosper until there are enough who bear grudges against them to make sure they do not prosper.

If they [animals] were really to get the equal consideration that I believe they should, we wouldn't have commercial animal production in this country.