If You Know That Things Are Bound

Our Belief In Any Particular Natural Law Cannot Have A Safer Basis Than Our Unsuccessful Critical Attempts To Refute It.

No Number Of Sightings Of White Swans Can Prove The Theory That All Swans Are White. The Sighting Of Just One Black One May Disprove It.

The Quest For Precision Is Analogous To The Quest For Certainty And Both - Precision And Certainty Are Impossible To Attain.

It Is Not His Possession Of Knowledge, Of Irrefutable Truth, That Makes The Man Of Science, But His Persistent And Recklessly Critical Quest For Truth.

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'.