O divine art of subtlety and secrecy!
War is a matter of vital importance to the state; the province of life or death; the road to survival or ruin. It is mandatory that it be thoroughly studied.
In war, numbers alone confer no advantage. Do not advance relying on sheer military power.
There is no place where espionage is not possible.
He will win who, prepared himself, waits to take the enemy unprepared.
The natural formation of the country is the soldier's best ally; but a power of estimating the adversary, of controlling the forces of victory, and of shrewdly calculating difficulties, dangers and distances, constitutes the test of a great general.