Nothing Exists Until It Is Measured.

When Asked ... [about] An Underlying Quantum World, Bohr Would Answer, 'there Is No Quantum World. There Is Only An Abstract Quantum Physical Description. It Is Wrong To Think That The Task Of Physics Is To Find Out How Nature Is. Physics Concerns What We Can Say About Nature.'

Physics Is To Be Regarded Not So Much As The Study Of Something A Priori Given, But Rather As The Development Of Methods Of Ordering And Surveying Human Experience. In This Respect Our Task Must Be To Account For Such Experience In A Manner Independent Of Individual Subjective Judgement And Therefore Objective In The Sense That It Can Be Unambiguously Communicated In Ordinary Human Language.

It Is Not Enough To Be Wrong, One Must Also Be Polite.

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

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