I roll on like a ball, with this exception, that contrary...

I roll on like a ball, with this exception, that contrary to the usual laws of motion I have no friction to content with in my mind, and of course have some difficulty in stopping myself when there is nothing else to stop me…. I am almost sick and giddy with the quantity of things in my head – trains of thought beginning and branching to infinity, crossing each other, and all tempting and wanting to be worked out.

John Ruskin