Looking back at the worst times, it always seems that they were times in which there were people who believed with absolute faith and absolute dogmatism in something. And they were so serious in this matter that they insisted that the rest of the world agree with them. And then they would do things that were directly inconsistent with their own beliefs in order to maintain that what they said was true.
Richard P. FeynmanThe first principle is that you must not fool yourself and you are the easiest person to fool.
Richard P. FeynmanVictory usually goes to those green enough to underestimate the monumental hurdles they are facing.
Richard P. FeynmanPhilosophy of science is about as useful to scientists as ornithology is to birds.
Richard P. Feynman