One might call habit a moral friction: something that prevents the mind from gliding over things but connects it with them and makes it hard for it to free itself from them.
Georg Christoph Lichtenberg , 1742-99, German physicist and satirist. He taught at the Univ. of Göttingen, where his special field was electricity. Lichtenberg made several visits to England and was influenced by the satire of Swift and by the English theater. He satirized the pseudoscience of Lavater and attacked the Sturm und Drang writers. He also wrote witty commentaries on Hogarth's engravings.