Philosophers, for the most part, are constitutionally timid, and dislike the unexpected. Few of them would be genuinely happy as pirates or burglars. Accordingly they invent systems which make the future calculable, at least in its main outlines. – Bertrand Russell
Aristotle maintained that women have fewer teeth than men although he was twice married, it never occurred to him to verify this statement by examining his wives mouths. – Bertrand Russell

