不要看时钟;做时钟做的事。继续前进。
最可持续的资源是人类的智慧。
预测未来的最好方法就是去创造它。
Happy the man, and happy he alone, he who can call today his own.
Experience is simply the name we give our mistakes.
世界是一本书,不旅行的人只读了一页。