The modern era is generally considered to have started in 1500 A.D. with the start of the printing press. From 1500 to 1830, all known knowledge doubled. From 1830 to 1930, all known knowledge doubled again. A few years ago, all known knowledge was...

“Own your own business, son. That’s the only way to control your own future. Own it, work hard at it, set high goals for yourself and never give up, no matter what obstacles come your way.” Simon DeVos repeatedly reinforced that message to his...