What thrust us into war were not Hitler's political teachings: the cause, this time, was his successful attempt to establish a new economy. The causes of the war were: envy, greed, and fear.

Adherence to dogmas has destroyed more armies and cost more battles than anything in war.

The strongest army in the world [the French] facing no more than twenty-six [German] divisions, sitting still and sheltering behind steel and concrete while a quixotically valiant ally was being exterminated!

Air warfare is a shot through the brain, not a hacking to pieces of the enemy's body.

Artillery conquers and infantry occupies.

An Army is still a crowd, though a highly organized one. It is governed by the same laws, and under the stress of war is ever tending to revert to its crowd form. Our object in peace is so to train it that the reversion will become very slow.

It is absolutely true in war, were other things equal, that numbers, whether men, shells, bombs, etc., would be supreme. Yet it is also absolutely true that other things are never equal and can never be equal.