Every Word Or Concept, Clear As It

An Expert Is Someone Who Knows Some Of The Worst Mistakes That Can Be Made In His Subject And How To Avoid Them.

The Existing Scientific Concepts Cover Always Only A Very Limited Part Of Reality, And The Other Part That Has Not Yet Been Understood Is Infinite.

Both Matter And Radiation Possess A Remarkable Duality Of Character, As They Sometimes Exhibit The Properties Of Waves, At Other Times Those Of Particles. Now It Is Obvious That A Thing Cannot Be A Form Of Wave Motion And Composed Of Particles At The Same Time - The Two Concepts Are Too Different

It Was About Three O'clock At Night When The Final Result Of The Calculation [which Gave Birth To Quantum Mechanics] Lay Before Me ... At First I Was Deeply Shaken ... I Was So Excited That I Could Not Think Of Sleep. So I Left The House ... And Awaited The Sunrise On Top Of A Rock.

Whenever We Proceed From The Known To The Unkown We May Hope To Understand, But We May Have To Learn At The Same Time A New Meaning Of The Word 'understanding'