Almost all really new ideas have a certain aspect of foolishness when they are first produced.
Alfred North Whitehead
In philosophical discussion, the merest hint of dogmatic certainty as to finality of statement is an exhibition of folly.
Alfred North Whitehead
We cannot think first and act afterward. From the moment of birth we are immersed in action, and can only fitfully guide it by taking thought.
Alfred North Whitehead
What is morality in any given time or place? It is what the majority then and there happen to like, and immorality is what they dislike.
Alfred North Whitehead