Everything We Call Real Is Made Of

If You Think You Understand It, That Only Shows That You Don't Know The First Thing About It.

There Is No Hope For Any Speculation That Does Not Look Absurd At First Glance.

In Physics We Deal With States Of Affairs Much Simpler Than Those Of Psychology And Yet We Again And Again Learn That Our Task Is Not To Investigate The Essence Of Things-we Do Not At All Know What This Would Mean&mash;but To Develop Those Concepts That Allow Us To Speak With Each Other About The Events Of Nature In A Fruitful Manner.

Address To Albert Einstein: You Are Not Thinking. You Are Merely Being Logical.

An Expert Is A Man Who Has Made All The Mistakes Which Can Be Made, In A Narrow Field.