What Is Christianity? A Beginner's Guide to the Christian Faith
Learn what Christians believe in 13 essential articles covering the Bible, God, Jesus, salvation, the Holy Spirit, prayer, and the church.
If you are new to Christianity or seriously exploring what Christians believe, you are asking the right questions. The Christian faith is not a collection of opinions or traditions passed down by well-meaning people. It is built on specific truths revealed by God in the Bible, truths that have transformed millions of lives across every century and every continent.
This guide introduces the core beliefs of Christianity through a 13-part series called Christianity Basics. Each article covers one foundational truth of the Christian faith, written for anyone willing to examine what the Bible actually teaches. Whether you have just placed your trust in Jesus or you are still searching, this series will walk you through the essentials step by step.
"And this is eternal life, that they know you the only true God, and Jesus Christ whom you have sent." (John 17:3)
1. The Bible is God's Word and the sole authority for everything Christians believe and practice.
2. God is holy, sovereign, and faithful, and He has revealed Himself most fully through His Son, Jesus Christ.
3. Jesus Christ is God in human flesh who died for sinners, rose from the dead, and offers forgiveness to all who repent and trust in Him alone.
4. Salvation is a gift of God's grace, not a reward for human effort.
5. The Holy Spirit gives new life to every believer, seals them for eternity, and empowers them to obey God's commands.
1. What Is the Bible?
Everything in Christianity rests on one book. The Bible is not a collection of human opinions. It is God's Word, written by roughly forty authors across fifteen hundred years, in three languages, yet telling one unified story. It contains sixty-six books divided into the Old Testament and the New Testament. If you want to understand Christianity, you must start here, because the Bible is the foundation for everything Christians believe and practice.
Read the full article: What Is the Bible? A Complete Book-by-Book Guide
2. How to Understand the Bible
Owning a Bible and understanding it are two different things. God never intended His Word to be locked away from ordinary people. He gave it to be understood, and He provided practical ways for every believer to grow in understanding it. This article covers five essential practices for reading Scripture well and a step-by-step Bible study method you can begin using today.
Read the full article: How to Understand the Bible for Beginners
3. Who Is God and What Is He Like?
Nothing will change your life more than what you believe about God. Nearly every error in the Christian life can be traced back to wrong thoughts about Him. The Bible reveals God's character through His attributes: His holiness, His sovereignty, His love, His justice, His faithfulness, and more. Knowing these attributes is not an academic exercise. It is the most important pursuit of your life, because what you believe about God will shape everything else you believe and do.
Read the full article: How to Know God and His Attributes
4. Who Is Jesus Christ?
Everything in the Christian faith stands or falls on one question: Who is Jesus Christ? The Bible teaches that Jesus is not merely a good teacher or a moral example. He is God in human flesh. He lived a sinless life, died on the cross for sinners, rose from the dead, and will return one day as King and Judge. If Jesus is who the Bible says He is, then He changes everything. This article examines His full humanity, His true deity, His saving work, and His coming kingdom.
Read the full article: Who Is Jesus Christ? What the Bible Teaches
5. What Did Jesus Accomplish?
Every person shares the same deepest problem: sin. Sin is any failure to obey God's commands, and it carries a penalty that no amount of human effort can remove. The work of Jesus Christ is God's answer to that problem. On the cross, Jesus took the punishment that sinners deserve. He was buried and rose again on the third day. This article walks through the cost of His sacrifice, what His death accomplished, and why His work is the only hope for guilty people.
Read the full article: What Did Jesus Do? The Work of Christ
6. How Does God Save People?
Salvation does not begin with a human decision. It begins with God. The Bible teaches that God chose His people before the foundation of the world, and He grants repentance and faith as gifts of His grace. This article explains how God saves sinners, what genuine conversion looks like, the evidences of real saving faith, and how a saved person should live in response. Grace is the word the Bible uses for God's undeserved kindness toward those who could never earn it.
Read the full article: How God Saves Us: A Biblical Guide to Salvation
7. Who Is the Holy Spirit?
Many people think of the Holy Spirit as a vague force or an abstract influence. But the Bible presents a very different picture. The Holy Spirit is a divine Person with a mind, emotions, and a will. He is fully God, equal with the Father and the Son. He convicts sinners of their guilt, gives new spiritual life, seals every believer for eternity, and empowers Christians to live in obedience. This article covers who He is, what He does, and why every Christian should walk in step with Him daily.
Read the full article: Who Is the Holy Spirit? His Person, Deity, and Work
8. How Should Christians Pray?
Prayer is not a religious performance or a technique for getting things from God. It is the way we speak honestly to our heavenly Father, submit to His wisdom, and declare our trust in His faithfulness. This article explains why Christians pray, what Jesus taught about prayer, the four essential parts of a healthy prayer life, what hinders prayer, and how to respond when God seems silent or says no.
Read the full article: How Should Christians Pray? A Biblical Guide
9. What Is the Church?
The moment God saves you, He places you into a body of believers called the church. The church is not a building or a denomination. It is the body of Christ, and Christ is its head. God designed the local church for teaching, fellowship, worship, and prayer. This article explains what the Bible teaches about the universal church, the local church, and why every Christian needs a church family.
Read the full article: What Is the Church According to the Bible?
10. What Are Spiritual Gifts?
If you belong to Jesus, the Holy Spirit has given you a specific ability for serving the body of Christ. A spiritual gift is not a natural talent you developed through practice. It is a supernatural enablement given by God for the common good of the church. This article explains what spiritual gifts are, which gifts were temporary and which continue today, and how every believer should use what God has given them.
Read the full article: What Are Spiritual Gifts? A Biblical Guide
11. What Is Christian Evangelism?
Before Jesus returned to heaven, He gave His followers a command that applies to every generation: go and make disciples of all nations. Evangelism is the act of sharing the good news that Christ died for sinners, was buried, and rose again. This article covers the content of the gospel message, why every person needs to hear it, how your life and your words work together as a testimony, and why prayer is at the center of faithful evangelism.
Read the full article: What Is Christian Evangelism? A Biblical Guide
12. What Does the Bible Teach About Obedience?
Obedience is not a cold religious checklist. It is the natural response of a heart that has been captured by the love of God. Jesus tied love and obedience together so closely that you cannot have one without the other: "If you love me, you will keep my commandments" (John 14:15). This article examines why God calls every Christian to obey, how obedience marks the true believer, what happens when God's people disobey, and why obedience that does not flow from genuine faith is worthless in God's sight.
Read the full article: What the Bible Says About Christian Obedience
13. How Can I Know God's Will?
Every Christian asks this question: What does God want me to do? The answer may be less mysterious than you think. The Bible teaches that God has two kinds of will. His sovereign will controls all things and cannot be changed. His commanded will tells us how to live and is revealed plainly in Scripture. God does not ask you to discover His secret plans. He asks you to obey what He has already revealed. This article explains both aspects of God's will and the four primary ways He guides His people today.
Read the full article: How to Know God's Will: A Biblical Guide
Where to Start
If you are not sure where to begin, start with article 1 and work through the series in order. Each article builds on the one before it. Together they will give you a clear, honest picture of what the Bible teaches and what it means to follow Jesus Christ.
If you have already placed your trust in Christ, this series will strengthen your understanding of the faith you have embraced. Share it with a friend who has questions. Study it alongside your Bible. And remember that the God who brought you to Himself will not leave His work unfinished.
"And I am sure of this, that he who began a good work in you will bring it to completion at the day of Jesus Christ." (Philippians 1:6)
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