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

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.

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.

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.

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

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