There are comedians who focus on everything that is external. They focus on politics and the news, what's going on in that city and that night. — Mike Birbiglia Copy Share Image
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… — Tim Ferriss Copy Share Image
