The Best Business Advice You'll Ever GetWe called on leading entrepreneurs to share the most valuable piece of advice they've received.

Being an entrepreneur doesn't mean you have to go it alone. Most successful business owners will tell you they could not have accomplished their goals without help--from a mentor, colleague, even mom and dad. For many, their ability to evaluate, internalize and act on the counsel they received was instrumental in getting their companies off the ground.

In an effort to tap some of this wisdom, we called on business gurus to tell us the very best piece ofadvicethey've received. Fromhiringtophilanthropyand more, their responses were as varied as the companies they run.

Dennis Crowley, CEO, Foursquare