People who are upset about something ruminate on it whenever they get a chance; they are constantly drawn back to their own unhappy tale as if it were a horror story left open on a table.

There is a future that makes itself and a future we make. The real future is composed of both.

Profound sadness is always the result of an unhealthy condition of the body. ... We [should] say, 'I am sad; everything looks black to me; but external events are in no way responsible. It's my body that insists on reasoning. These are the opinions of my stomach.'

If religion is only human, and its form is man's form, it follows that everything in religion is true.

One must be truthful with oneself about one's own motives, especially if one is to survive in the world. It takes rigor, and it takes courage.

It is not difficult to be unhappy or discontented; all you have to do is sit down, like a prince waiting to be amused. ... It is impossible to be happy if one does not have the desire to be happy; one must therefore will one's happiness, and create it.

To think is to say 'no.'