A theory should not attempt to explain all the facts, because some of the facts are wrong
Francis CrickI think she [Rosalind Franklin] was a good experimentalist but certainly not of the first rank. She was simply not in the same class as Eigen or Bragg or Pauling, nor was she as good as Dorothy Hodgkin. She did not even select DNA to study. It was given to her. Her theoretical crystallography was very average.
Francis CrickBiologists must constantly keep in mind that what they see was not designed, but rather evolved.
Francis CrickWhile Occam's razor is a useful tool in the physical sciences, it can be a very dangerous implement in biology. It is thus very rash to use simplicity and elegance as a guide in biological research.
Francis Crick