Diplomacy is about building bridges between different countries and cultures, promoting mutual understanding and cooperation.

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.

解释：善于治理国家的君主，应该顺应民心。