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

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.

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.

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

There is nothing more deceptive than an obvious fact.

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

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

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

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