Telling the future by looking at the past assumes that conditions remain constant. This is like driving a car by looking in the rearview mirror.
In the business world, the rearview mirror is always clearer than the windshield. - Warren Buffett
Girls like you want to cut guy's nuts off and hang 'em from your rearview mirror. - Simone Elkeles
Sometimes you can only understand why things happen when you see them in the rearview mirror. - Ron Hall