It is a problem that has nothing to do with cleanliness. It has to do with a source bringing them in.

Nothing happened as far as we can tell.

There's nothing in the recent past I want to write about.

When you turn the ball over like we did, nothing good is going to happen. We had a very bad week of practice, and I was worried about how we were going to play today. But I didn't expect us to have as tough of a time as we did.

The writer should never be ashamed of staring. There is nothing that does not require his attention.

The writer operates at a peculiar crossroads where time and place and eternity somehow meet. His problem is to find that location.