Every single Act either weakeneth or improveth our Credit with other Men ; and as an habit of being just to our Word will confirm, so an habit of too freely dispensing with it must necessarily destroy it.
The Anatomy of an Equivalent : from The Complete Works of George Savile, First Marquess of Halifax (1912), ed. Sir Walter Alexander Raleigh, Clarendon Press p. 123. - The Anatomy of an Equivalent (1688)