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QTM 100 How Do You Become a Christian?

AUDIO // LISTEN TO QTM 100
> TOPIC: HOW TO BECOME A CHRISTIAN / FAITH / NEW BIRTH
> HOW WE CHECK: BEREAN [ACTS 17:11] — CHECK EVERYTHING AGAINST THE BIBLE
> TAGS: [E] = IN SCRIPTURE | [I] = LOGIC | [C] = CONTEXT

How to Become a Christian

To the reader:

How to become a Christian is a question that gets clouded by conflicting ideas. Some say it's mainly rituals or culture; others say it's just agreeing to a list of beliefs. But when we look at the Bible, we see that becoming a follower of Christ is not a small tweak—it is a radical change. It moves a person from spiritual disconnection to a real relationship with God.

How we use words

When we refer to God, we mean the God of Scripture who created all things (Genesis 1–2; John 1:3; Colossians 1:16–17). When we talk about being "restored" or "made new," we mean what the Bible calls being "born again," "saved by grace," and "given a new heart."

We don't ask for blind trust; we invite you to check. This paper follows the Berean approach: every claim can be tested against the Bible.

“Now the Berean Jews were of more noble character than those in Thessalonica, for they received the message with great eagerness and examined the Scriptures every day to see if what Paul said was true.” Acts 17:11, NIV
“But test them all; hold on to what is good.” 1 Thessalonians 5:21, NIV

1. THE PROBLEM: SIN AND SEPARATION

This paper is for anyone who wants to follow Christ but runs into real obstacles. The Bible says the human heart isn't just a little broken—it's corrupted at the core.

1.1 The heart of the problem

The Bible says this corruption isn't surface-level; it's in the heart—who we are at the core.

Deceitful heart: “The heart is deceitful above all things and beyond cure. Who can understand it?” Jeremiah 17:9, NIV
Sin entered through one man: “Therefore, just as sin entered the world through one man, and death through sin, and in this way death came to all people, because all sinned—” Romans 5:12, NIV
No one seeks God: “There is no one righteous, not even one; there is no one who understands; there is no one who seeks God. All have turned away…” Romans 3:10–12, NIV

1.2 Three common obstacles

People often get stuck in one of three ways:

Obstacle 1: The moralist

Someone who tries to earn their way to God through "good works," not realizing the heart is corrupted. The Bible is clear: we can't fix ourselves:

Obstacle 2: The skeptic

Someone who can't square Christ's claims with what they already believe. God invites us to think (Isaiah 1:18), but the message of the cross will look like "foolishness" to human pride.

The point

The cross looks foolish on purpose—it humbles our pride and shows the limits of reason alone.

Obstacle 3: The cultural Christian

Someone who looks like a Christian on the outside but doesn't have the Spirit's work on the inside.

Looking like a Christian without the Spirit is not the real thing. To get beyond that, you need a real change from the inside—what the Bible calls being born again.

2. WHAT HAS TO CHANGE: A NEW HEART

We want to give you clear steps from where you are to real faith. That takes more than outward change; it takes an inner change—what Scripture calls "new heart," "rebirth," and "renewal."

2.1 You need a new heart, not a fix-up

The Bible says that because the heart is "beyond cure" (Jeremiah 17:9), the solution isn't a patch or a repair—it's a new heart. God gives it.

Note The Hebrew anush ("incurable") means the heart can't heal itself—not that God is limited. The God who diagnoses the problem also gives the new heart (Ezekiel 36:26).
The point

This isn't a behavior tweak; it's a new creation. The old is "gone"; the new is "here" (2 Cor 5:17).

2.2 It's a change in who you are

This isn't just changing behavior; it's a change in identity.

The point

The "old self" isn't just restrained; it's crucified. The new reality is "Christ lives in me." The Bible is clear: "And that is what we are!" (1 John 3:1). This isn't a future hope; it's a present reality. Becoming a Christian changes what you are, not just what you do.

2.3 God's guarantee

This change isn't just a feeling; God seals and keeps those who belong to Him.

3. THE STEPS: REPENT, BELIEVE, CONFESS

Knowing what's required isn't the same as doing it. The Bible gives clear steps.

3.1 Step 1: Repent

The first step is to turn away from the old way of life. The Bible calls this "repentance" (metanoia)—a real turn toward God.

3.2 Step 2: Believe (Faith)

After you turn away from the old life, you put your trust in God. That's faith.

The point

God doesn't offer a way among many; He is the way. That isn't arrogance—it's the truth. And the invitation is for everyone: whoever calls on the name of the Lord will be saved (Rom 10:13).

3.3 Step 3: Confess

This isn't meant to stay private. The Bible calls for a public acknowledgment of Jesus as Lord.

3.4 Common hang-ups

Hang-up: "I'm a good person" (moralist)

Your good works don't earn salvation. Drop the resume.

Hang-up: "I need more proof" (skeptic)

Faith isn't ignoring evidence; it's responding rightly to what God has shown us.

Hang-up: Cultural Christian

Check yourself: are you really in the faith?

4. LIVING AS A CHRISTIAN

Becoming a Christian (justification) is an event; growing as a Christian (sanctification) is a process. You won't be perfect this side of heaven—you keep growing.

Paul's honesty: “Not that I have already obtained all this, or have already arrived at my goal, but I press on to take hold of that for which Christ Jesus took hold of me... I press on toward the goal to win the prize for which God has called me heavenward in Christ Jesus.” Philippians 3:12–14, NIV

4.1 Spirit vs. flesh

You'll feel a real conflict between the Spirit and your old desires (the flesh). That's not a sign of failure—it's a sign that something new is at work in you.

4.2 The Input: Data Ingestion

The new system requires specific data to rewrite the old scripts. This is not merely "reading"; it is "ingesting" the mind of God.

The point

The Bible says the "message of Christ" should dwell "among you richly" (Col 3:16)—that's something we do together, not alone.

4.3 Fruit: what shows up in your life

How do you know something has changed? You look at what your life produces.

4.4 Stay connected to other believers

The Christian life isn't meant to be lived alone. We need each other.

The point

Spiritual maturity isn't solo; the Bible says the body "grows and builds itself up in love, as each part does its work" (Eph 4:16). Going it alone stunts growth.

5. KEEP GOING

The Christian life isn't a one-time event; it's a long obedience.

5.1 Run the race

5.2 The Correction Mechanism (Discipline)

When you wander, God disciplines you. That's not condemnation—it's a father's correction because He loves you.

5.3 The Security Guarantee (Assurance)

The security of the system is ultimately underwritten by God’s character, not the user's performance.

5.4 What about people who walk away?

What about people who seemed to believe but then turn away for good?

6. REFERENCES

Sources

6.1 Bible

6.2 Key passages

6.3 How we approach this

Related papers: Am I Actually a Christian? · Why Are Christians Right But The Rest Are Wrong? (QTM 108) · All papers