What Did You Ask At School Today?

In Fact The Total Amount That A Physicist Knows Is Very Little. He Has Only To Remember The Rules To Get Him From One Place To Another And He Is All Right.

The Difficulty Really Is Psychological And Exists In The Perpetual Torment That Results From Your Saying To Yourself, "but How Can It Be Like That?" Which Is A Reflection Of Uncontrolled But Utterly Vain Desire To See It In Terms Of Something Familiar. ... If You Will Simply Admit That Maybe Nature Does Behave Like This, You Will Find Her A Delightful, Entrancing Thing. Do Not Keep Saying To Yourself, If You Can Possible Avoid It, "but How Can It Be Like That?" Because You Will Get 'down The Drain', Into A Blind Alley From Which Nobody Has Escaped. Nobody Knows How It Can Be Like That.

You See, The Chemists Have A Complicated Way Of Counting: Instead Of Saying "one, Two, Three, Four, Five Protons", They Say, "hydrogen, Helium, Lithium, Beryllium, Boron."

The Fundamental Principle Of Science, The Definition Almost, Is This: The Sole Test Of The Validity Of Any Idea Is Experiment.

We Have This Terrible Struggle To Try To Explain Things To People Who Have No Reason To Want To Know.