This article traces the development of Martin Luther from Catholicism to Protestantism, from works righteousness to the discovery of justification by grace through faith in Christ.

This article explains the Trinity by outlining from Scripture the reality that there is one true God, and that this one God has eternally existed as three distinct persons.

This article outlines eleven reasons from Scripture why we need to affirm the deity of Christ.

This article discusses whether the early church fathers taught transubstantiation. It shows that they ultimately recognized the elements at the Lord’s Supper to be symbols of Christ’s body and blood.

This article, through the sayings of ministers from church history, provides ten key reasons why ministers need to cultivate their personal prayer life.

This article describes how upon his arrest, the English Reformer Thomas Cranmer first denied the truths he had defended throughout his ministry, and then when made to recant publicly, he refused to do so, leading to his being burned at the stake.

This article shows how Christmas carols can be used to share the gospel. It mentions several of the great carols and the deep truths they convey.

This article discusses how the doctrine of the incarnation of Christ has been under attack from the very beginning, particularly by the Ebionites, Gnostics, and Arians. It goes on to show that the Scriptures are very clear on the twofold reality that Christ is God with us, for the sake of our salvation.

This article explains what Seventh-Day Adventism is about, as well as how we should evaluate this movement. It lists three main concerns with the SDA doctrine.

This article discusses ten questions about Seventh-Day Adventism, its history and theology, providing citations from various sources along the way.

This article reveals the journey of understanding that Martin Luther went on, from trying to please God on his own to discovering justification by faith through grace in Christ alone.

How can we be sure that the sixty-six books in our Bible are the complete inspired Word of God? This article gets to the heart of why we can be sure: it shows that the Lord Jesus affirmed the Old Testament canon, and authorized his apostles to write the New Testament canon.

This article explains how it was the Word of God that fueled the Reformation in the 16th century. Ignorance of that Word made the Reformation necessary, the recovery of that Word made it possible, and the power of that Word gave it enduring impact.

Have you ever heard of the phrase, "What would Jesus do?" Have you said it yourself? This article shows the origins of this slogan, its contemporary usage, and evaluates its usefulness. The author finds the saying unhelpful at best, and downright dangerous at worst, and proposes a different set of words to go with the acronym WWJD.

This article reviews a popular reading of Philippians 4:13, "I can do all things through Christ who gives me strength," and finds it wanting. Out of context, the verse reads like a promise for whatever is desired. But in context, it is a verse about contentment.

This article, in summary form, explains why Christians believe in the Trinity.

This article explains the Lord Jesus' word to Peter in Matthew 16:18, and shows how the Roman Catholic interpretation of this passage does not do it justice. Christ is the bedrock of the New Testament church.

Did Jesus become the literal embodiment of sin, or become a sinner when he died at Calvary? This article addresses this question in light of 2 Corinthians 5:21.

This article considers how the charismatic movement defines key spiritual gifts. It defines the relevant terms, considers the gifts in the New Testament, discusses the criteria Scripture gives for evaluating someone's claim to be a prophet, looks at how the contemporary version of the gift of tongues matches the biblical data, and concludes by considering the gift of healing.

This article evaluates the modern gift of prophecy that the charismatic movement claims, in the light of the Word of God. It defines terms, speaks about how to recognize a false prophet, shows how charismatics rationalize fallible prophecy, and provides charismatic objections raised in response. It shows how the charismatic position is at odds with the sufficiency of Scripture.

Have you ever heard the idea that the deity of Christ was a doctrine invented centuries after his death? This article shows by way of twenty-five quotations from the early church fathers that the early church believed Jesus is God.

This article explores the early church's celebration of the Lord's Supper. It addresses the question of whether they believed that the elements were actually transformed into the physical body and blood of Christ.

How did the doctrine of sola Scriptura feature in the centuries before the Reformation? This article shows how it was championed by the church fathers.

What makes the New Jerusalem so marvellous? This article shows that it is the presence of God, particularly his life, love, and light.

This article showcases the Roman Catholic teaching regarding the essence of the gospel. It demonstrates that according to Rome, salvation is not by grace through faith alone, good works are necessary for salvation, baptism brings forgiveness of sins, Christ's sacrifice on the cross is not sufficient to send the redeemed directly to heaven, and Christ's sacrifice is repeated every time the Mass is celebrated.

This article considers the biblical meaning of success: faith in Christ and faithfulness to him. The article provides some examples, not least from Hebrews 11.

This article depicts in vivid terms what the New Jerusalem will look like, as revealed in Revelation 21.

This article discusses the heresy of modalism—where it originated, who still believes it, and whether T.D. Jakes is a modalist.

This article addresses five common objections to biblical prophecy, which include that many of them were written after the events they predict, many were intentionally fulfilled by Jesus, and many were invented by his followers.

This article offers four clarifications of what cessationism is not: it is not anti-supernatural, not founded on one's interpretation of "the perfect" in 1 Corinthians 13:10, not an attack on the person or work of the Holy Spirit, and not a product of the Enlightenment.

This article explores the question of whether apostles still exist in the church today. It considers the qualifications necessary for apostleship, the uniqueness of Paul's apostleship, the apostolic authority and the closing of the canon, the foundational role of the apostles, and the testimony of those following the apostles. The inevitable conclusion is that there are no longer apostles today.

This article discusses whether the Bible, particularly Deuteronomy 6:5-9, mandates homeschooling.