Claims like 'Slavery is wrong' are not fully common-sensical, so they must be at least partly theoretical.

The life-world of human and animal experience, with colours, tastes, solid objects, is a perceptual effect of massed atoms.

If you live in an acquisitive society you are likely to be acquisitive, but it isn't deeply rooted in human nature, except in the sense that it's deeply rooted to be psychologically receptive to your peers and to advertising.

Epicurus thought of justice as an agreement to prevent people harming and being harmed.

The Epicureans denied that the gods had created the world and also denied that they played any role in it.

Claims like 'Slavery is wrong' are not fully common-sensical, so they must be at least partly theoretical.

Even if you just want to make a simple clothing item for yourself or go for a long hike in the forest - something we imagine requires absolutely no resources - you have to go to the store and buy a lot of stuff, and probably use a car.