There is an intelligent way to eat a live frog - I just don't know what it is.
Of old the expert in battle would first make himself invincible and then wait for his enemy to expose his vulnerability.
Of all rewards none [is] more liberal than those given to secret agents.
The peak efficiency of knowledge and strategy is to make conflict unnecessary.
For to win one hundred victories in one hundred battles is not the acme of skill. To subdue the enemy without fighting is the acme of skill.
War is a matter of vital importance to the state.