Arnold Schwarzenegger, the bodybuilder turned actor turned Governor of California, and bestselling author Malcolm Gladwell don't seem to have a lot in common.
They are both, however, indisputably successful. And they've both been on author and entrepreneur Tim Ferriss' podcast, "The Tim Ferriss Show."
Ferriss, who wrote popular productivity book "The 4-Hour Workweek," uses his podcast to talk to a range of successful people about how they've climbed to the top of their fields.
He's noticed three daily habits that the most accomplished people have in common.