Once suspicion is aroused, everything feeds it.

Even a paranoid can have enemies.

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

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

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

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

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

There is nothing more deceptive than an obvious fact.

Nothing is hidden from the eyes of the observing world.