Secrecy is best taught by starting with ourselves. – Sebastian Roch Nicolas Chamfort

You know there are no secrets in America. Its quite different in England, where people think of a secret as a shared relation between two people. – W. H. Auden

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