The one thing needful discover'd: Or, which is the best religion, Being a serious Enquiry, what Church or Communion, 'tis best and safest to joyn with, in order to obtain Everlasting Life. In which are truly and fairly stated the different Principles of most Professions in the Church of Christ, viz. The Old Church of Rome, the Church of England, Presbyterians, Independance, Anabaptists, Quakers, Bradelonians, Arians, Socinians, Armenians, Antinomions, Pelagians, Muggletonians, Libertins, Ranters, Adamits, Seekers, &c. To which is added, a brief Account of the different Principles of the Jews and Turks. In a Dialogue between the Bishop of London, and a Country Farmer.