"The hardest thing to understand in the world is the income tax." ― Albert Einstein Topic(s): Business Tags: hardest, thing, understand More From Albert Einstein "It is a miracle that curiosity survives formal education." "Science is a wonderful thing if one does not have to earn one’s living at it." "Politics is for the present, but an equation is for eternity." More In Business "I’m quitting the business today. I’m going to open up an appliance store, I’ve always really been into toasters. I’m giving it all up."― Dane Cook "The gambling known as business looks with austere disfavor upon the business known as gambling."― Ambrose Bierce "I do not believe a man can ever leave his business. He ought to think of it by day and dream of it by night."― Henry Ford