This reminds me of the advice Stephen Hawking's publisher gave him, which was that every equation he included in his book, A Brief History of Time, would cut th

This reminds me of the advice Stephen Hawking's publisher gave him, which was that every equation he included in his book, A Brief History of Time, would cut the sales of the book in half. As a result the only equation that ended up in the book was E=mc^2.