• Arianism

    John 1:1–18

    Arius’ teaching — Arianism — is alive today in cults such as the Jehovah’s Witnesses. It may also be held unwittingly by Christians who have not received good teaching and believe, implicitly, that the Father is a “higher” God than the ...Read More

  • Augustine on Faith and Reason Part II

    Romans 1:18–32

    Faith and reason work in a reciprocal manner. Believing in God, we see new vistas of truth. As we reason through these vistas, our belief in God is further confirmed. We believe in order to understand because, like Paul and ...Read More

  • Doctrine Divides

    Jeremiah 6:1–15

    Christians have often divided over matters not essential to Christian orthodoxy and lobbed charges of heresy at one another. Such actions have created a distaste for theology in the minds of many people, and there is now a tendency to ...Read More

  • Equality and Diversity

    Proverbs 22:2

    What culturally dominant political and social philosophies try to undermine God’s order in society? What happens to a society when you treat everyone as if they were equal in every respect? Examine your own belief system for any attempts ...Read More

  • God our Father

    Matthew 7:7–11

    The comfort of the gospel is not in that we are born children of God but in that God, seeing that all people are children of the Devil, nevertheless chooses to adopt a portion of humanity as His children in ...Read More

  • Law and Gospel

    Matthew 5:17–20

    Answer 86 of the Heidelberg Catechism emphasizes that we do good works because the God who justifies us also gives us His Spirit to conform us more and more to the image of Jesus Christ. Our Lord saves us from ...Read More

  • Modalistic Monarchianism

    John 17:1–5

    Today’s study describes a heresy known as either modalistic monarchianism or modalism. It is alive and well today in some varieties of Pentecostalism. Analogies that compare God to water (vapor, liquid, and ice) are also essentially modalistic, even though ...Read More

  • No One Is Righteous

    Romans 3:10–11

    Martin Luther comments on Romans 3:11, “This statement pertains both to those who manifestly do not seek God as well as to those who seek Him or rather think they are seeking Him, because they do not seek Him ...Read More

  • Paul’s Theology

    Romans 1:16–17

    Paul was a unique vessel prepared by God for a unique task. His inspired work has been the foundation for many of the church’s theological tenets for two thousand years. Scan through Acts 9 through 28. List ways Paul ...Read More

  • Rome’s Analytic View of Justification

    Romans 1:16–17

    Roman Catholics and Protestants differ on several fundamental matters, not the least of which is the doctrine of justification. It is essential that we do not blur the lines on this issue, for the very gospel is at stake. We ...Read More

  • The Baptism of the Holy Spirit

    1 Corinthians 12:12–13

    When we separate the baptism of the Holy Spirit from conversion, we end up with second-class citizens in the kingdom of God. But as the Lord has poured out His Spirit on all His people, this is impossible. Christians may ...Read More

  • The Gifts of the Spirit

    1 Corinthians 12:12–31

    Today’s passage is an important text on the priesthood of all believers. Paul does not mean to deny the roles of elders, teachers, and other officers in the church; rather, he tells us that every Christian is to be ...Read More

  • The Lordship of Christ

    1 Corinthians 6:15–20

    John Calvin comments on today’s passage, stating that “we are not at our own disposal, that we should live according to our own pleasure.” Unregenerate people are determined to live by their own rules, to seek self-fulfillment at the ...Read More

  • The Mass and Christology

    Mark 16:6

    Transubstantiation confuses the divine and human natures of Jesus, giving His human body the ability to be in more than one place at a time. This is an attribute that only the divine nature possesses. In confusing Christ’s two ...Read More

  • The Question of Israel

    Romans 11:1–10

    Often Christians get more upset with one another over prophecy than anything else. Ask God to give you a spirit of charity and a true, sober-minded interest in what His Word has to say on the subject. If disagreement on ...Read More