Truth And Clarity Are Complementary.

Prediction Is Difficult, Especially The Future.

Your Theory Is Crazy, But It's Not Crazy Enough To Be True.

The Great Extension Of Our Experience In Recent Years Has Brought Light To The Insufficiency Of Our Simple Mechanical Conceptions And, As A Consequence, Has Shaken The Foundation On Which The Customary Interpretation Of Observation Was Based.

It Is Very Difficult To Make An Accurate Prediction, Especially About The Future.

If We Couldn't Laugh At Ourselves, That Would Be The End Of Everything.