Leadership is about making the tough decisions when they matter the most.

Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.

在经济学中，事情的发生比你想象的要慢，然后它们发生的速度比你想象的要快。