The doubter is a true man of science: he doubts only himself and his interpretations, but he believes in science.
True science teaches us to doubt and, in ignorance, to refrain.
The great experimental principle, then, is doubt, that philosophic doubt which leaves to the mind its freedom and initiative, and from which the virtues most valuable to investigators in physiology and medicine are derived.
Follow AzQuotes on Facebook, Twitter and Google+. Every day we present the best quotes! Improve yourself, find your inspiration, share with friends
or simply: