The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

The body is not a thing, it is a situation: it is our grasp on the world and our sketch of our project.

The past is never dead. It's not even past.

The most formidable weapon against errors of every kind is reason.

We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.