
What do you think is the single worst idea in history? Without question, ethical monotheism. In fact, most big ideas are probably terrible ideas.

On the other hand, not all big ideas are good ideas. We're not talking about just little ideas, are we? But what we are talking about here - let's be sensible - are ideas that have an impact on the lives of many people.

They have ideas about how to get from Eighth Street to 81st Street by missing the Midtown traffic. How does one go about deciding which ideas to put in and which to leave out? As they say, even taxi drivers have ideas.

Are you trying to be a polymath? My wife says I am the know-it-all from hell. Q: Your ambitious new book, "Ideas: A History of Thought and Invention, From Fire to Freud," claims to chronicle all the major ideas in the world since the invention of the hand ax two million years ago.
