I would like people to understand the view of reality that is suggested by quantum theory. This view is so profoundly different from our commonsense understanding of the world that it should make us all stop and think before declaring anything to be obviously true.

Chris Isham is author of Modern Differential Geometry for Physicists (buy this book from Amazon (UK) or Amazon (USA)), and Lectures on Quantum Theory: Mathematical and Structural Foundations (buy this book from Amazon (UK) or Amazon (USA)).