In the twenty-first century, religion remains the single greatest influencein the world. But, argues religion scholar Stephen Prothero, persistentattempts to portray all religions as different paths to the same God overlookthe distinct human problem that each seeks to solve. For example:Islam: the problem is pride / the solution is submissionChristianity: the problem is sin / the solution is salvationBuddhism: the problem is suffering / the solution is awakeningJudaism: the problem is exile /...

Brian Tracy, one of the top professional speakers and sales trainers in the world today, found that his most important breakthrough in selling was the discovery that it is the "Psychology of Selling" that is more important than the techniques and methods of selling.