Marx's writings still have something to teach us about capitalism. They have little or nothing to teach us about any alternatives to it. Anyone who had read them knows that.

I think the contribution people make is not proportionate to their fame or success. In fact, I think the relation is often inverse.

We can never prove that we are free or integrate our freedom in any way into our objective conception of the causal order of nature.

As I understand it, Kantian constructivism is partly a position in normative ethics and partly a position in metaethics. In metaethics, it is the position that ethical claims have truth values, but their truth conditions consist not in a set of objective facts to which they correspond, but instead in the outcome of some procedure of deliberation resulting in decisions about what to do.

Leaders of nations, and people whose wealth or fame gives them power over the lives of others quite often do more harm than good.

What I most fear now is that within a century or so there may not be any human future at all.

Clearly no working class movement ever came about that was able to do what Marx was hoping for.