Birds rising in flight is a sign that the enemy is lying in ambush; when the wild animals are startled and flee he is trying to take you unaware.
Maneuvering with an army is advantageous; with an undisciplined multitude, most dangerous.
He will win who has military capacity and is not interfered with by the sovereign.
There is an intelligent way to eat a live frog - I just don't know what it is.
Know the enemy and know yourself; in a hundred battles you will never peril.
Opportunities multiply as they are seized.