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

Secrecy lies at the very core of power.

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

The life of spies is to know, not be known.

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

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

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

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

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

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

Once suspicion is aroused, everything feeds it.

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

Nothing is hidden from the eyes of the observing world.