Again, one of the Contractors, may deliver the Thing contracted for on his part, and leave the other to perform his part at some determinate time after, and in the mean time be trusted; and then the Contract on his part, is called PACT, or COVENANT: Or both parts may contract now, to performe hereafter: in which cases, he that is to performe in time to come, being trusted, his performance is called Keeping Of Promise, or Faith; and the fayling of performance (if it be voluntary) Violation Of Faith.