Prediction Is Difficult, Especially The Future.

The Measurement We Get When We Measure Something Is Not A Property Of The Thing Measured.

We Are All Agreed That Your Theory Is Crazy. The Question Which Divides Us Is Whether It Is Crazy Enough To Have A Chance Of Being Correct. My Own Feeling Is That It Is Not Crazy Enough.

It Is The Hallmark Of Any Deep Truth That Its Negation Is Also A Deep Truth.

Every Great And Deep Difficulty Bears In Itself Its Own Solution. It Forces Us To Change Our Thinking In Order To Find It.

A Person Who Wasn't Outraged On First Hearing About Quantum Theory Didn't Understand What Had Been Said.