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

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.

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

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

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.

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

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