He that has eyes to see and ears to hear may convince himself that no mortal can keep a secret. If his lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore. – Sigmund Freud
To have found you is a dear happiness; and to be Apollos son is beyond all my hopes; but there is something I want to say to you alone. Come; this is a private matter between us two – anything you tell me shall be as secret as the grave. – Euripides