Questions
Bring a hard question. Start with sources, not slogans. Each answer is a doorway into Scripture, history, objections, and the original texts behind the claim.
Piper Apologetics is personal research. It sits beside parish formation; it is not parish instruction and does not speak for the Church.
Use this index to start with the question you are actually asking. Featured starting points are below. The fuller interactive library continues to grow behind these paths.
Christianity Basics
Who is Jesus?
Christians believe Jesus is the promised Messiah, truly human and truly divine.
What is Christianity?
Faith in the God revealed through Israel and supremely through Jesus Christ.
What does “the gospel” mean?
The good news that God’s kingdom has come near in Jesus.
Catholic Distinctives
Do Catholics worship Mary?
No. Catholics honor Mary; worship belongs to God alone.
Why do Catholics believe in the Eucharist?
Because Jesus’ words, the Last Supper, and the earliest Christian witness point to Real Presence.
What is the papacy?
The Petrine ministry of teaching and communion continued in the bishop of Rome.
Hard Questions
How can a good God allow evil?
Christianity faces the problem of evil without denying either God’s goodness or the reality of suffering.
Is the Bible reliable?
The question is tested by manuscript evidence, historical witness, and coherent reading.
Why so many Christian denominations?
Division is real; the site examines Scripture, history, and authority claims rather than slogans.