Knowing is different from doing and therefore theory must never be used as norms for a standard, but merely as aids to judgment.

Modern wars are seldom fought without hatred between nations; this serves more or less as a substitute for hatred between individuals.

The deduction of effect from cause is often blocked by some insuperable extrinsic obstacle: the true causes may be quite unknown. Nowhere in life is this so common as in war, where the facts are seldom fully known and the underlying motives even less so.

War is politics by other means.

Knowing is different from doing and therefore theory must never be used as norms for a standard, but merely as aids to judgment.

If you entrench yourself behind strong fortifications, you compel the enemy seek a solution elsewhere.

War is an act of violence pushed to its utmost bounds.