04/01/2014 11:01 am ET Updated Apr 01, 2014

Arianna Huffington On Redefining Success, Navigating Change, And Knowing When To Unplug

Evan Agostini/Invision/AP

Call her a press baron for the new century. Arianna Huffington, 63, rules the Web with the online news site the Huffington Post. Her 14th book, "Thrive: The Third Metric to Redefining Success and Creating a Life of Well Being, Wisdom, and Wonder," is just out.

Talk about the 2007 collapse that led you to embrace a more mindful life and write your latest book, Thrive.

I fainted from exhaustion and literally was in a pool of blood in my own office. I had been working around the clock. I went back to the Greek philosophers that I had studied as a little girl, and they always ask the question: "What is a good life?" In our society we define success as money and power, which is a little bit like trying to sit on a two-legged stool — sooner or later, you're going to topple over. I felt it was time to redefine success and have a big, national conversation about what makes life really fulfilling and meaningful.

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