Organic life, we are told, has developed gradually from the protozoon to the philosopher, and this development, we are assured, is indubitably an advance. Unfortunately it is the philosopher, not the protozoon, who gives us this assurance. – 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

