Even a paranoid can have enemies.

It was funny how I could feel all alone and under surveillance at the same time.

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

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.

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.

There is nothing more deceptive than an obvious fact.

Secrecy lies at the very core of power.

Once suspicion is aroused, everything feeds it.

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 a sickness among tyrants: they cannot trust their friends.

If the world were good for nothing else, it is a fine subject for speculation.

The first duty of a good inquisitor is to suspect especially those who seem sincere to him.