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.

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

The first duty of a good inquisitor is to suspect especially those who seem sincere to him.

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

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

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

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

There is nothing more deceptive than an obvious fact.

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