• Lacking an external focus, the mind turns inward on itself and creates problems to solve, even if the problems are undefined or unimportant. If you find a focus, an ambitious goal that seems impossible and forces you to grow, these doubts disappear.

    Tim Ferriss: Lacking an external focus, the mind turns inward on itself and creates problems to solve, even if the problems are undefined or unimportant. If you find a focus, an ambitious goal that seems impossible and forces you to grow, these doubts disappear.
    "The 4-Hour Workweek". Book by Tim Ferriss, 2007.