Of all rewards none [is] more liberal than those given to secret agents.

Know the enemy, know yourself; your victory will never be endangered. Know the ground, know the weather; your victory will then be total.

Winning Strategists are certain of triumph before seeking a challenge. Losing Strategists are certain to challenge before seeking a triumph.

Management of many is the same as management of few. It is a matter of organization.

To fight and conquer in all our battles is not supreme excellence; supreme excellence consists in breaking the enemy's resistance without fighting.

In making tactical dispositions, the highest pitch you can attain is to conceal them.

Let your plans be dark and impenetrable as night.