Profound subject matter can be encompassed in small space - for proof, look at any sonnet by Shakespeare!

A woman is subject matter enough.

The subject matter is so much more important than the photographer.

I like dark subject matter. I'm not sure what that means about me!

And I could never run out of my subject matter - I only exercise my rhymes in times when the subject matters

Since I was a kid, I've had this morbid fascination with dark and scary subject matter.