The Necessity of Scripture
November 3, 2021

The Necessity of Scripture

The Necessity of Scripture

A Study of Systematic Theology (by Wayne Grudem)

All quotes in this lesson are from Wayne Grudem’s Systematic Theology, 2nd Edition unless otherwise stated.


  1. Necessity of Scripture Defined: “The idea that the Bible is necessary for knowing the Gospel, for maintaining spiritual life, and for knowing God’s will, but is not necessary for knowing that God exists or for knowing something about God’s character and moral laws.”


What Does the Bible Teach?


  1. The Bible is Necessary for Knowledge of the Gospel


  1. Romans 10:13-17


  1. One Must Call Upon the Name of the Lord to be Saved
  2. People Can Only Call Upon His Name if They Believe
  • People Cannot Believe in Jesus if They’ve Not Heard of Him
  1. They Cannot Hear Without Someone Telling Them
  2. Therefore, “the conclusion is that saving faith comes from hearing the Gospel message, and this hearing of the Gospel message comes about through the word of Christ (or, the preaching of Christ). The implication seems to be that without hearing the preaching of the gospel of Christ, no one can be saved.”


  1. Salvation Can Come Only Through Christ
    1. John 3:16-18
    2. John 14:6
  • Acts 4:12
  1. 1 Tim 2:5-6


  1. Divergent Views of How People Can be Saved:


  1. Universalism: “All people who ever lived will be saved (Because God loves everyone and won’t judge anyone).”


  1. Religious Pluralism: “All sincere religious people from all religions will be saved (because all religions are different paths to the same God.”


  1. Inclusivism: “People can only be saved through the redeeming work of Christ, but all people who ever lived will still be saved because after people die they will find out that they were saved by Christ’s work, even people who had never heard of him or believed in him.”


  1. Annihilationism: “People who have not believed in Christ will not be saved, but after they die they will not be punished (or not for very long) because they will be annihilated and cease to exist.”


  1. Postmortem Evangelism: “After unbelievers die, they will be given another opportunity to trust in Christ, and most of or all of them will be saved in this way.


  1. Exclusivism: “Only those who have heard of Christ and trusted in him will be saved.”


  1. The Bible is Necessary for Maintaining Spiritual Life
    1. Matt 4:4 à Deut 8:3
    2. Deut 32:47
    3. 1 Pet 2:2
    4. 2 Tim 3:16


  1. The Bible is Necessary for Certain Knowledge of God’s Will


  1. “If there were no written Word of God, we could not gain certainty about God’s will through other means such as conscience, advice from others… changed circumstances, and the use of sanctified reasoning and common sense.”
  2. Deut 29:29
  3. God’s Word = God’s Will.
    1. Ps 119:1
    2. 1 John 5:3


  1. But the Bible is Not Necessary for Knowing that God Exists
    1. Ps 19:1
    2. Rom 1:18-21
    3. General Revelation
  2. The Bible is Not Necessary for Knowing Something About God’s Character and Moral Laws


  1. Rom 1:32 à How do they know God’s righteous decree?
  2. Rom 2:14-15


What Does Our Confession Say?


  1. 1689 1.1: “The Holy Scripture is the only sufficient, certain, and infallible rule of all saving knowledge, faith, and obedience, although the light of nature, and the works of creation and providence do so far manifest the goodness, wisdom, and power of God, as to leave men inexcusable; yet are they not sufficient to give that knowledge of God and his will which is necessary unto salvation. Therefore it pleased the Lord at sundry times and in divers manners to reveal himself, and to declare that his will unto his church; and afterward for the better preserving and propagating of the truth, and for the more sure establishment and comfort of the church against the corruption of the flesh, and the malice of Satan, and of the world, to commit the same wholly unto writing; which maketh the Holy Scriptures to be most necessary, those former ways of God's revealing his will unto his people being now ceased.”


How Do We Apply This to Worship?


  1. What Does It Look Like to be Word Centered?
    1. Singing the Word
    2. Tying Our Songs to the Scripture
    3. Call to Worship
    4. Proclamation of the Word
    5. Expositional Preaching – Coming Back to the Word


  1. Are There Ways that We Can Incorporate More of the Word of God? Should We?
    1. Closing with Public Recitation
    2. Ps 20:
      1. Vv. 1-4 (Me)
      2. V. 5-9 Congregation Speaking Back
    3. Ps 121:
      1. Vv. 1-2 (Someone)
      2. Vv. 3-8 Congregation Speaking Back


How Do We Apply This to Our Life?

  1. Necessity of Scripture à Daily Reading

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