[VIDEO] Define your fears instead of goals: best-selling author and entrepreneur Tim Ferris

Goal-setting, go-getting. That combination goes hand-in-hand for high-flyers. But not all motivation stems from ambition, and plans don't always work out, shares Tim Ferriss, a New York-based author and public speaker. According to him, much of decision-making revolves around fear - and that psychology can be turned on its head and be put to good use.

In this TED Talk, he lays out how the philosophy of stoicism - and mapping one's fears out - can actually spur good decision-making.