A fountain sealed: or, The duty of the sealed to the Spirit, and the worke of the Spirit in sealing. : Wherein many things are handled about the Holy Spirit, and grieving of it, as also of assurance & sealing what it is, the priviledges and degrees of it, with the signes to discerne, and meanes to preserve it. : Being the substance of divers sermons preached at Grayes Inne. /