Science is not a system of certain, or -established, statements; nor is it a system which steadily advances towards a state of finality... And our guesses are guided by the unscientific, the metaphysical (though biologically explicable) faith in laws, in… — Karl Popper Copy Share Image
If you thought that science was certain - well, that is just an error on your part. — Richard P. Feynman Copy Share Image
