Change is the law of life. And those who look only to the past or the present are certain to miss the future.
Act only in accordance with that maxim through which you can at the same time will that it become a universal law.[Handle so, als ob deine Maxime zugleich zum allgemeinen gesetze (aller vernünftigen Wesen) dienen sollte.]
A man with a club was a lawgiver.
