It is the rule which says that the other rules of scientific procedure must be designed in such a way that they do not protect any statement in science against falsification.

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 regularities which we can uncover-discover. Like Bacon, we might describe our own contemporary science-'the method of reasoning which men now ordinarily apply to nature'-as consisting of 'anticipations, rash and premature' and as 'prejudices'.

We hate the very idea that our own ideas may be mistaken, so we cling dogmatically to our conjectures.

Contrary to the outstanding work of art, outstanding theory is susceptible to improvements.

With regards to political enemies Plato had a kill-and-banish principle. ... In interpreting it , modern-day Platonists are clearly disturbed by it, even as they make elaborate attempts to defend Plato.

I have spoken to Einstein and he admitted to me that his theory was in fact no different from the one of Parmenides.

I may be wrong and you may be right, and by an effort, we may get nearer to the truth