In the 1970s Joan Didion wrote:
I write entirely to find out what I’m thinking, what I’m looking at, what I see and what it means. What I want and what I fear. – Why I Write (essay originally published in the New York Times Book Review in 1976, here)
I think it is a good reason for all of us to write, regardless of our level of skill. I think I am going to be adopting that more, here and offline. I would hope the same for you, even if it is a matter of making notes in a composition notebook or a scribbler.
Writing as thinking. Not only deep thoughts, or correct thoughts, but thoughts in general.
A great collection of Joan Didion in her own words from the Guardian, here.