the leader of armies is the arbiter of the people's fate, the man on whom it depends whether the nation shall be in peace or in peril.
Sun TzuSpies are a most important element in water, because on them depends an army's ability to move.
Sun TzuIn peace prepare for war, in war prepare for peace. The art of war is of vital importance to the state. It is matter of life and death, a road either to safety or to ruin. Hence under no circumstances can it be neglected.
Sun Tzu