The development of the meaning attaching to the personal self, the conscious being, is the subject matter of the history of psychology.

A woman is subject matter enough.

We assert that the subject is crucial and only that subject matter is valid which is tragic and timeless.

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

In conclusion we may say, in view of the confirmation that our study has given of the parallelism between individual and racial thought of the Self, that in the history of psychology we discern the great profile which the race has drawn on the pages of time.

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