8The Ultimate Leverage Point

“The historian of science may be tempted to exclaim that when paradigms change, the world itself changes with them.”

Thomas Kuhn

Physicist, historian and philosopher of science

“Pay no attention to that man behind the curtain. Go – before I lose my temper! The Great and Powerful Oz has spoken…”

When I was a little boy, I loved the film The Wizard of Oz, but I was frightened of the Wicked Witch of the West and terrified of her flying monkeys. I would hide behind the sofa when they came on the screen. On some level, I didn't understand that those monkeys were just people in costumes, and that even if they really were flying monkeys, they couldn't escape from the television screen.

I didn't understand the nature ...

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