The tryall of a Christians growth : in mortification, vivification, or purging out corruption. Bringing forth more fruit. A treatise affording some helps rightly to judge of growth in grace, by resolving some tentations, clearing some mistakes, answering some questions, about spirituall growth. Together with other observations upon the parable of the vine, Iohn 15. 1,2. verses. By Tho: Goodvvin, B.D.