1. Do not feel absolutely certain of anything.
2. Do not think it worth while to proceed by concealing evidence, for the evidence is sure to come to light.
Source:A Liberal Decalogue, 1951 (This first appeared at the end of his article 'The best answer to fanaticism - liberalism' in New York Times Magazine, 16 Dec. 1951, p.42.
More info.:http://russell-j.com/0972-ALD.HTM