人类生活中痛苦和混乱的主要来源,似乎来自于高估了一种持久状况与另一种持久状况之间的差异。
The most exciting discoveries often come from unexpected places.
Success is not final, failure is not fatal: It is the courage to continue that counts.
The art of leadership is saying no, not saying yes. It is very easy to say yes.