If a person was free to commit any villainy before entering the contract, the same reasoning that permitted that villainy permits breaking the contract whenever the person sees fit.

’Tis ridiculous to say, there is any Obligation on Man to act sociably, or honestly, in a form’d Government; and not in that which is commonly call’d the State of Nature. For, to speak in the fashionable Language of our modern Philosophy: “Society being founded on a Compact; the Surrender made of every Man’s private unlimited Right, into the hands of the Majority, or such as the Majority shou’d appoint, was of free Choice, and by a Promise.” Now the Promise it-self was made in the State of Natur