Why should I care about anyone else but myself? We each have our own values to pursue. Is all valuation relative or neutral? The values we actually use seem to be agent neutral. We endorse these values both for ourselves and for others. Hobbes says that in a state of nature it is legitimate for everybody to do what they want. Socrates said that once you recognize that something is worth admiring, you will integrate it into your life.
The fourth of ten lectures from the Foundations of Libertarian Ethics seminar with Roderick T. Long.