History is the great propagator of doubt.
A racing tipster who only reached Hitler's level of accuracy would not do well for his clients.
No war is inevitable until it breaks out.
History gets thicker as it approaches recent times: more people, more events, and more books written about them. More evidence is preserved, often, one is tempted to say, too much. Decay and destruction have hardly begun their beneficent work.
Perfect soldier, perfect gentleman never gave offence to anyone not even the enemy.
The great armies, accumulated to provide security and preserve the peace, carried the nations to war by their own weight.