Secrecy lies at the very core of power.

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.

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

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.

Nothing is hidden from the eyes of the observing world.

Even a paranoid can have enemies.

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