The rising of birds in their flight is the sign of an ambuscade. Startled beasts indicate that a sudden attack is coming.

The good fighters of old first put themselves beyond the possibility of defeat, and then waited for an opportunity of defeating the enemy.

In the midst of difficulties we are always ready to seize an advantage, we may extricate ourselves from misfortune.

Opportunities multiply as they are seized.

War is a matter of vital importance to the state.

You can prevent your opponent from defeating you through defense, but you cannot defeat him without taking the offensive.

It is the business of a general to be quiet and thus ensure secrecy; upright and just, and thus maintain order.