True leadership is about making tough decisions today that will benefit future generations.

北极仅有一盏路灯，南极也只有一盏；唯独北极的点灯人和他南极的同行，过着闲逸懒散的生活：他们每年只工作两次。

"To understand a country, you must understand its silences."

I became insane, with long intervals of horrible sanity.

没有任何一位总统能够忠实地、认真地履行他的职责，还能有闲暇时间。