Each state claims the right to control interests foreign to itself when those interests are such that it can control them without putting its own interests in danger. ... other powers only recognize this right of intervening in proportion as the country doing it has the power to do it.
Great ambition is the passion of a great character. Those endowed with it may perform very good or very bad acts. All depends on the principles which direct them.
War is a serious game in which a man risks his reputation, his troops, and his country. A sensible man will search himself to know whether or not he is fitted for the trade.