• 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

  • 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

  • Christ’s Word and the Believer

    Colossians 3:16-17

    Paul closes out Colossians 3:17 by reminding us to do everything in the name of Jesus. This entails not merely an action accompanied by an audible expression of “in Jesus name”; rather, to do something in His name is ...Read More

  • Proper Christian Growth

    Colossians 1:9-10

    It is all too easy for us to think that once we know the basics of the gospel we must then move beyond them for true spiritual growth. Yet it is not extrabiblical revelations and methods that mature us, nor ...Read More

  • The Fruit of the Gospel

    Colossians 1:5b-8

    If there is no change from smug self-righteousness to humble, selfless repentance in those who profess the gospel, then the church should consider whether it is in fact preaching the gospel and its application to all of life. Of course ...Read More

  • The Teaching of Demons

    1 Timothy 4:1-3

    John Calvin also points out that it has been common throughout history for heretics to shun true holiness and offer in its place a substitute to conceal their own wickedness. We are prone as human beings to make God’s ...Read More

  • Ignorant and Vain Discussion

    1 Timothy 1:6-7

    Matthew Henry says, “Mere talk, especially in religion, is meaningless, and yet many people’s religion consists of little else but meaningless talk.” Is your practice of the Christian religion tied up in endless talk on peripheral matters, or is ...Read More

  • Council of Nicea

    John 1:1–18

    The deity of Christ is very important. As God He is able to bring us face to face with the Father and restore to us that which has been marred in the fall. Moreover, because Christ is God, there is ...Read More

  • Early Christian Heresies

    Acts 20:28–31

    In our day, Oneness Pentecostals embrace Modalistic Monarchianism. The Jehovah’s Witnesses subscribe to Arianism, a movement that is a later development of Dynamic Monarchianism. It is important to have a good understanding of church history so that we might ...Read More

  • Twisting the Truth

    Acts 20:7–35

    Paul in Romans 14 urged the toleration of those who in error felt it was wrong to eat what they thought was unclean. If this is so, should we not also tolerate those who disagree with us over issues such ...Read More

  • Destructive Heresies

    2 Peter 2:1

    Take some time today to read through 2 Peter and review the apostle’s teaching. Remember that though the false teaching we may have to face today might be different in its specific expression, all false teachers commonly deny biblical ...Read More

  • Entangled Again

    2 Peter 2:20–22

    That we struggle with particular sins does not mean we do not have true faith. In his comments on today’s passage, John Calvin reminds us that true believers sin but live lives demonstrating they are not under its dominion ...Read More

  • Slaves of Corruption

    2 Peter 2:18–19

    While we know that all true converts will never fall finally away, we still must do all we can to help those professing faith not to fall away, for that is one way God keeps His people faithful (Ezek. 3 ...Read More

  • Waterless Springs

    2 Peter 2:17

    In John 4:14, Jesus promises us that the water He gives to us will so satisfy us that we will never be thirsty again. Jesus has appointed many in the body of Christ to be preachers and teachers through ...Read More

  • False Prophets

    2 Peter 2:1

    Though systematic theologians generally use terms like “redemption” to refer to our ultimate deliverance from the penalty and presence of sin, the Bible uses these terms differently in some of its passages. As we saw today, that Jesus “bought” the ...Read More