Christian Answers
Plain-English answers to the questions people ask most about Christianity. Written to be clear and accurate, and to stay charitable across the different Christian traditions. Where traditions genuinely differ, we say so.
These answers are meant as a friendly starting point, not the final word. For definitions of individual terms, see the Christian glossary. To compare how different traditions handle these topics, visit denominations compared.
The Basics
What is Christianity?
Christianity is a faith centered on Jesus Christ. Christians believe that Jesus is the Son of God who lived, was crucified, and rose from the dead, and that through Him people are reconciled to God. With roughly 2.4 billion adherents, it is the world's largest religion, spread across many traditions that share these core convictions.
Who is Jesus Christ?
Christians believe Jesus is the Son of God who became human, taught and healed in first-century Judea, was crucified under Roman authority, and rose from the dead on the third day. Historians across faiths generally agree Jesus was a real person who lived and was executed by crucifixion; the claims about His divinity and resurrection are matters of Christian faith.
What is the Bible?
The Bible is the collection of writings Christians regard as Scripture. It has two main parts: the Old Testament, shared in large part with Judaism, and the New Testament, which centers on Jesus and the early church. It was written by many authors over roughly a thousand years and is the most translated and widely printed book in history.
What is the Gospel?
The word gospel means good news. In Christianity it refers to the message that God loves people, that Jesus died for their sins and rose again, and that anyone can be forgiven and restored to God through Him. The first four books of the New Testament, which tell the story of Jesus, are also called the Gospels.
What do Christians mean by the Trinity?
The Trinity is the historic Christian teaching that there is one God who exists eternally as three persons: the Father, the Son (Jesus), and the Holy Spirit. Christians affirm one God, not three, while distinguishing the three persons. It is considered a mystery that Scripture describes but does not fully explain.
What is salvation?
Salvation is being rescued from sin and its consequences and brought into a right relationship with God. Christians believe this comes through Jesus. Traditions describe the details differently, but nearly all teach that salvation is a gift of God's grace rather than something earned entirely by human effort.
What is sin?
Sin is falling short of God's standard, whether by wrong actions, words, thoughts, or failing to do good. Christianity teaches that everyone sins and that this separates people from God, which is why forgiveness through Jesus is central to the faith.
What is grace?
Grace is God's unearned favor and kindness toward people. In Christian teaching, salvation and forgiveness are given by grace, meaning they are gifts rather than wages, received through faith rather than earned by good behavior.
The Bible
How many books are in the Bible?
Protestant Bibles contain 66 books: 39 in the Old Testament and 27 in the New Testament. Catholic and Eastern Orthodox Bibles include additional books, often called the Apocrypha or Deuterocanon, which is why their totals are higher.
What are the four Gospels?
The four Gospels are Matthew, Mark, Luke, and John. Each tells the story of Jesus's life, teaching, death, and resurrection from a distinct perspective. Matthew, Mark, and Luke share much material and are called the Synoptic Gospels; John is more reflective and distinct in style.
What is the difference between the Old and New Testaments?
The Old Testament covers creation, the history of Israel, the law, the prophets, and the psalms, largely before the time of Jesus. The New Testament centers on the life of Jesus and the beginnings of the church. Christians read both as Scripture, seeing the Old Testament as pointing toward Christ.
What is the King James Version?
The King James Version, or KJV, is an English translation of the Bible completed in 1611 under King James I of England. It shaped the English language for centuries and remains widely read. Because it is in the public domain, its text can be freely quoted and shared.
Which Bible translation should I read?
There is no single required translation. Many readers choose a modern version such as the ESV, NIV, or NLT for everyday reading and the KJV for its historic language. A good approach is to pick a readable translation and, if you want, compare it with another for study.
Christian Life and Worship
Why do Christians go to church?
Christians gather to worship God, hear the Bible taught, pray, share communion, and support one another. The New Testament encourages believers not to neglect meeting together, and the local church is where much of Christian community, service, and teaching happens.
What is prayer?
Prayer is communicating with God. It can include praise, thanksgiving, confession, and requests for oneself and others. Christians pray alone and together, using both their own words and set prayers such as the Lord's Prayer that Jesus taught.
What is baptism?
Baptism is a Christian practice using water to mark entry into the faith and the washing away of sin. Some traditions baptize infants; others baptize only those who make a personal profession of faith. Modes range from sprinkling to full immersion.
What is communion, or the Lord's Supper?
Communion is a practice in which Christians share bread and wine, or grape juice, in remembrance of Jesus's death, following His instruction at the Last Supper. Traditions understand what happens during communion differently, from a symbolic memorial to the real presence of Christ.
What are the Ten Commandments?
The Ten Commandments are laws God gave to Israel through Moses, recorded in Exodus 20 and Deuteronomy 5. They include worshiping God alone, honoring parents, and prohibitions against murder, theft, lying, and coveting. They remain a widely respected moral summary.
What is the Great Commandment?
When asked which commandment is greatest, Jesus answered: love God with all your heart, soul, and mind, and love your neighbor as yourself (Matthew 22:37-39). Christians see these two commands as summarizing the heart of the faith.
Do you have to be perfect to be a Christian?
No. Christianity teaches that everyone falls short and that faith is about receiving God's forgiveness, not achieving perfection. Christians understand growth in character as a lifelong process aided by God's grace, not a prerequisite for belief.
Beliefs and Big Questions
What do Christians believe happens after death?
Most Christian traditions teach that there is life after death and that people will ultimately be with God or apart from Him. Beliefs about the details, including heaven, judgment, and resurrection, vary across traditions, but the hope of eternal life through Jesus is central.
What is the difference between a Christian and a Catholic?
Catholics are Christians. Catholic refers to the Roman Catholic Church, one of the major branches of Christianity, alongside Protestant and Eastern Orthodox traditions. Saying someone is Christian describes the broad faith; saying Catholic names a specific tradition within it.
What is a denomination?
A denomination is an organized branch or family within Christianity, such as Baptist, Methodist, Lutheran, or Catholic. Denominations share the core Christian faith but differ in matters like church government, worship style, and certain teachings.
How do I become a Christian?
Christian traditions describe this in different ways, but common elements include believing in Jesus, turning from sin, and choosing to follow Him, often expressed through prayer, baptism, and joining a local church. Many people begin simply by reading a Gospel and talking with a trusted church community.
What is Easter?
Easter is the central Christian celebration of the resurrection of Jesus from the dead. It follows Good Friday, which remembers His crucifixion. Easter is considered the most important event in the Christian calendar because the resurrection is at the heart of the faith.
What is Christmas?
Christmas is the Christian celebration of the birth of Jesus, observed on December 25 in most Western churches. It marks the belief that God became human in Jesus, an event Christians call the Incarnation.
Is Christianity a religion or a relationship?
Many Christians describe their faith as both. It is a religion with beliefs, Scripture, and practices, and it is also understood as a personal relationship with God through Jesus. Different traditions emphasize one aspect more than the other, but the two are not seen as opposed.