The idea that Carroll did not know exactly what he was writing when he did his best work, is is part of its charm and interest. It seemed that the minute he started trying to put an idea over, his stories fell to pieces. I'm sure his best work was so good at least partly because he felt free to write what he wanted, instead of what he thought he ought to write.

It's a funny feeling, isn't it, when you get that link to your subconscious. All of a sudden these strange things start pouring out....