I am not belittling liberal society but the view that it is merely the product of human conventions and not based on the immense value of human life. I suppose you regard that as a human convention and not because persons are persons rather merely another biological species…
This is where we disagree. The value of life is not an invention but a fact - just like the opportunities which make life valuable. We don’t invent opportunities but discover and recognise them. Nor do we invent society because we are social beings who need to live in an organised community.
When people do not respect human rights they are not acting in defiance of their intrinsic natures (how could someone do something that is not in their nature?). They are just not being as good as they could be.
That implies that there is an objective criterion of goodness…
“We” are the humans–the ones capable of self-creation. Our moral growth is not discovery of forgotten truths but self-enlargement as we become better able to take into account the needs of more and more others.
The vital question is how we are capable of self-creation and self-enlargement. What gives us the power to override our habits and instincts?
Why do we have rights different from those of a worm?
We are what we make ourselves. We are better than we once were and not as good as we could be.
Again the question is how do we acquire this power and achieve such progress…
What will be needed against the Nazis is police and prisons rather than a philosophical foundation. The only thing that has ever controlled violence is stronger violence in saner hands.
You underestimate education and the power of ideas. Why has Nazism virtually disappeared? Most people become more open-minded and reasonable when you explain how selfishness, intolerance and violence are futile and self-destructive.
How do you determine what rights we need?
It is an ongoing conversation. Arguments usually involve consideration of generalizability (Kant), consequences (Mills), and human flourishing (Aristotle). But expecting some ready-made rules for settling all possible moral disputes is not a mature view of morality. It is a sign of being too timid and too enamored with authority. It is the desire to pass the buck–to shirk the responsibility for one’s own moral actions. It is a great responsibility indeed-- everything we do is part of defining what humanity is–but it is not a responsibility that can in any way be avoided.
I agree with you - but responsibility presupposes free will and the power of self-determination.
In other words you believe that true moral judgments are rational and not based simply on emotion. Like scientific laws they describe the nature of reality, the only difference being that they refer to personal rather than physical reality. If we were merely physical objects scientific truths would be sufficient to cater for our needs…
The difference between scientific truths and moral truths is not that they are concerned with different realities. It is that scientific truths are concerned with how things are and moral truths are concerned with how things ought to be.
Persons are not generally regarded as “things”! Materialism is false precisely because it cannot account for personal attributes.
Again this where I suppose both modes of inquiry are rational depending on what you mean by “rational.” Reason itself is one of those things that it subject to inquiry (and is a product of inquiry).
This is where metaphysics and epistemology come in! Reason entails intuition, insight and creativity - which amounts to far more than biological computation!