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

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

Nothing is hidden from the eyes of the observing world.

There is nothing more deceptive than an obvious fact.

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.

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

We must not always talk in the marketplace of what happens to us in the forest.

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

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

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

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.

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

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