In a state, one man's liberty ends where another's begins.
疯狂就是重复同样的错误并期待不同的结果。
胜利的时刻太短暂,不能只为那一刻而活。
最优财政政策要求税率随时间平稳变化,仅对政府支出的永久性变化作出反应。
The mind is the organ of adaptation par excellence.
生命的历史是变化的历史。
The best leaders are those who listen more than they speak and learn from everyone around them.