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
Man is a credulous animal, and must believe something in the absence of good grounds for belief, he will be satisfied with bad ones. – Bertrand Russell
Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself. – Bertrand Russell
Freedom comes only to those who no longer ask of life that it shall yield them any of those personal goods that are subject to the mutations of time. – Bertrand Russell
There is no law of progress. Our future is in our own hands, to make or to mar. It will be an uphill fight to the end, and would we have it otherwise? Let no one suppose that evolution will ever exempt us from struggles. You forget, said the Devil, with a chuckle, that I have been evolving too. – W. R. [William Ralph] Inge