It does not make any difference how beautiful your guess is. It does not make any difference how smart you are, who made the guess, or what his name is if it disagrees with experiment it is wrong. That is all there is to it.
Richard P. FeynmanThere is enough energy in a single cubic meter of space to boil all the oceans in the world.
Richard P. FeynmanI'm going to play with physics, whenever I want to, without worrying about any importance whatsoever.
Richard P. FeynmanSo this piece of dirt waits four and a half billion years and evolves and changes, and now a strange creature stands here with instruments and talks to the strange creatures in the audience. What a wonderful world!
Richard P. FeynmanLooking 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. Feynman