Marshall McLuhan

Out of the thousand writers huffing and puffing through movieland, there are scarcely fifty men and women of wit and talent... Yet, in a curious way, there is not much difference between the product of a good writer and a bad one. They both have to toe the same mark.

I discover what I mean as I write. That can be both terrifically exciting and very dangerous, because when you look at your words later, you wonder, 'Did I really mean that, or am I just making verbal patterns?'