I will never again command an army in America if we must carry along paid spies. I will banish myself to some foreign country first.

There is nothing more deceptive than an obvious fact.

Three may keep a secret, if two of them are dead.

If you read somebody’s diary, you get what you deserve.

Spies are of no use nowadays. Their profession is over. The newspapers do their work instead.

A regime which combines perpetual surveillance with total indulgence is hardly conducive to healthy development.

Nothing is hidden from the eyes of the observing world.

There is a sickness among tyrants: they cannot trust their friends.

For sooner will men hold fire in their mouths than keep a secret.

Secrecy lies at the very core of power.

Guard more faithfully the secret which is confided to you than the money which is entrusted to your care.

There is nothing makes a man suspect much, more than to know little.

Once suspicion is aroused, everything feeds it.