The culture of irony is the culture of postmodernism, which I would furiously want to denounce. We have to act ethically and politically. Irony is a defensive position, against reality. It always knows what to think about reality. The idea of commitment and engagement is central to me, which is not ironic.

I have argued that philosophy doesn't begin in wonder or in the fact that things are, it begins in a realization that things are not what they might be. It begins with a sense of a lack, of something missing, and that provokes a series of questions.

We live in a world that is dominated by science. And that's not a bad thing - not at all. But one of the problems with the scientific worldview is that it leads human beings to have an overwhelmingly theoretical relationship to the world. For example, I no longer accept my being in the world practically and then try to describe that or elucidate that; rather, I see the world theoretically as colors and objects and representations which are fed through my retina into the brain.

Philosophy isn't programmed into us, and a lot of the forces of our culture steadfastly work against it. Philosophy, for me, is a way of resisting the nihilism of the present by making, creating, affirming. By going on.

The only answer to the question of the meaning of life has to begin from the fact of our human finitude, of our vulnerability and our fallibility.

The yearning for the common good comes from the refusal to accept that perhaps Americans have very little in common apart from the elements of a sometimes successful civil religion based around a sentimental, indeed sometimes teary-eyed, attachment to the constitution and a belief in the quasi-divine wisdom of the founding fathers.

Shore up the mean with reverence and terror. But never banish terror from the gates of the state. The stronger the fear, the stronger the reverence for the just, the stronger your country's wall and the city's safety.