你画的每一条线都是一个道德决定。
最伟大的教训来自最艰难的挣扎。
创新不仅仅是创造新事物,也是改进已有的事物。
决策分析是根据价值和不确定性评估复杂选择的学科。
The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.