Through special revelation, by the inspiration of the Holy Spirit the inerrant (1), and immutable (2), word of God written by the prophets and apostles (3) contained in the holy scriptures both in the Old and New Testaments which are the only rule of faith and obedience(4).
1. inerrant: incapable of being wrong, free from error, infallible
The doctrine of inerrancy asserts not only that the Bible is true, but that it is incapable of being false or even mistaken, impossible for it to not reflect the cosmic order of the universe and its Creator's plan. One tenet defining fundamentalism is biblical inerrancy which is what most people mean by 'literalists.' www.oxforddictionaries.com/us/definition/american.../inerran
2. immutable, a. [L.immutabilis; in and mutabilis.]invariable; unalterable; not capable or susceptible of change. Webster's Dictionary 1828
3. God, who at sundry times and in divers manners spake in time past unto the fathers by the prophets,Hath in these last days spoken unto us by his Son, whom he hath appointed heir of all things, by whom also he made the worlds; Hebr. 1: 1-2