Till the enemy's weakness is known, he should be kept on friendly terms.

A ruler wishing to win should not trust a cunning enemy, even if he may be extending a hand of friendship. Because deep-rooted enmity, however, concealed, will surely come to light.

Even a captured enemy is not to be trusted.

Experience teaches us that it is much easier to prevent an enemy from posting themselves than it is to dislodge them after they have got possession.

You may have enemies whom you hate, but not enemies whom you despise. You must be proud of your enemy: then the success of your enemy shall be your success too.

The only enemy is ignorance. Peace, people. Let's get rid of all this nuclear testing.