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

Secrets define us, they mark us, they set us apart from all the others. The secrets which we preserve provide a key to who we are, deep down.

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.

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

Nothing is hidden from the eyes of the observing world.

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

To know all is not to forgive all. It is to despise everybody.

Secrets are rarely betrayed or discovered according to any program our fear has sketched out.

Even a paranoid can have enemies.

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

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

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

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