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

Secrecy lies at the very core of power.

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.

Secrets define us, they mark us, they set us apart from all the others. The secrets which we preserve provide a key to who we are, deep down.

Guard more faithfully the secret which is confided to you than the money which is entrusted to your care.

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

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

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