…the generalizing tendency is the great law of mind, the law of association, the law of habit taking. We also find in all active protoplasm a tendency to take habits. Hence I was led to the hypothesis that the laws of the universe have been formed under a universal tendency of all things toward generalization and habit-taking.
http://www.commens.org/dictionary/entry/quote-cambridge-lectures-reasoning-and-logic-things-habit-0