With human beings the urge to make peace takes some time to germinate, while Homo Sapiens is always ready to hate.

...for a man is a Herdentier - an animal that always follows the herd, a gregarious animal - and quickly follow's its neighbour example.

...if one is to confer successfully with foreigners, it is essential to know their ways of thinking and be able to put oneself in their place.

Propaganda, if too raucous, will always prove counterproductive. The damage arises because in peacetime the nation that never stops menacing others and shouting grievances is at once labelled a disturber of the peace and blamed accordingly. Such behaviour is also stupid because it continually remind others of the quarrel and strengthens their opposition.