The old dreams were good dreams； they didn't work out， but I'm glad I had them.
旧梦是好梦，没有实现，但是我很高兴我有过这些梦。
数学的乐趣在于努力理解的过程。
领导力在于做出今天艰难的决定，这些决定将使子孙后代受益。
战争是一种精神现象。
Sleep is good, death is better; but of course, the best thing would to have never been born at all.
金融危机往往是由恐慌驱动的自我实现预言。
In the factory, we make machines; in the field, we grow food; but in the office, we make decisions that shape both.
Ideals without action are just dreams.
真理往往隐藏在细节之中。