The principles, or, The patterne of wholesome words : Containing a collection of such truths as are of necessitie to be belieued vnto saluation, separated out of the body of all theologie. Made euident by infallible and plaine proofes of scriptures. And withall, the seueral vses such principles should be put to, are abundantly shewed. A proiect much desired, and of singular vse for all sorts of Christians. By N. Byfield, preacher of Gods Word at Isleworth in Middlesex.