True happiness comes from inner fulfillment.

You don't need a weatherman to know which way the wind blows.

Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.

领导力不是掌控，而是照顾你负责的人。