Step 4 of 5

How to find the core truth of a Bible passage

The fourth step is where you move from what the passage says to what it teaches. The core truth - also called the aim - is the timeless principle the author wanted his readers to grasp, stated in one or two sentences that hold for every reader in every age.

Key question

What does the passage teach?

What the core truth is for

Steps 1-3 kept you inside the text. Now you ask why it was written and what it teaches that is still true today. The core truth is not a summary of events or a personal lesson. It is the main teaching of the passage, often about God’s character, about human nature, or about how God’s people are to live.

When you teach or preach, this is the aim of the lesson: what you want your listeners to understand and believe by the end. A clear core truth keeps a Bible study or sermon focused. Without one, a talk easily becomes a string of interesting comments.

On this site the step is called core truth. In other settings you will hear it called the aim, the big idea, the main principle or the theological statement.

How to find the core truth

Start from your summary.
Read your summary and division sentences again. The core truth should grow out of them, not appear from nowhere.
Ask what the passage reveals about God.
What does it show about who God is, what He does and what He values? When in doubt, start here.
Ask what it reveals about people.
What does it show about human nature and need, about faithfulness or failure?
Consider the first readers.
What did the author want his original audience to understand, believe or do? The timeless truth is what remains when you set aside details that belonged only to their situation.
Write it as a full statement.
Begin with “This passage teaches that...” or “The reader should understand that...” and finish the sentence.
Test it against the whole Bible.
A core truth must come from this passage read in its context, and it must agree with the rest of Scripture. Look up a few cross-references to confirm it.

A passage often contains several true statements. Choose the one that governs the whole passage. The others are not lost: they can become principles for individual divisions in step 5.

Good and weak core truths

Weak: God wants us to be happy.
Better: This passage teaches that true blessing belongs to those who delight in God’s Word, because the LORD watches over the way of the righteous, while the way of the wicked leads to ruin.
Why:: The weak version is vague and is not what Psalm 1 means by “blessed”. The better one is anchored in the psalm’s own reasoning in verse 6.

Weak: If you read your Bible, everything you do will succeed.
Better: Those who are rooted in God’s Word bear fruit in its season and endure, while a life without God has no lasting future.
Why:: The weak version turns verse 3 into a promise of success. The tree bears fruit “in his season” (KJV), and the rest of Scripture - Psalm 73, the book of Job - shows that the righteous also suffer.

Weak: The man in Psalm 1 was blessed.
Better: The LORD knows and watches over those who delight in His Word.
Why:: The weak version is a fact about the text, not a truth for the reader. A core truth has to hold for readers today.

Common mistakes

Restating the summary.
If your core truth could be swapped with your summary, you have not yet moved from what the text says to what it teaches.
Choosing a side point.
A true statement drawn from one phrase rather than the main teaching of the whole passage.
Moralism.
Reducing the passage to “try harder” and missing what it says about God. Most passages are first about God and only then about us.
Ignoring context.
Promises and warnings have to be read within the passage and the whole Bible, not lifted out on their own.
Importing a favourite doctrine.
A true doctrine that this passage does not teach is still eisegesis. Let the passage set the agenda.
Writing a paragraph.
One or two sentences. If you need more, you are still deciding what the main truth is.

Worked example: Psalm 1:1-6

The summary from step 3: “Whoever delights in the LORD’s law flourishes like a tree; the wicked blow away like chaff.” Now ask what the psalm teaches.

What does it reveal about God? Verse 6 gives the reason for everything else: “For the LORD knoweth the way of the righteous” (KJV). To “know” here means more than to be aware of. It describes God’s attentive, caring watch, and some modern translations render it “watches over”. The righteous flourish not because they are impressive but because the LORD knows them. The wicked perish because their way has no such foundation.

What does it reveal about people? Every person is on one of two ways, and the direction of a life shows in what a person listens to (v. 1) and what they delight in (v. 2).

Core truth

This passage teaches that true blessing belongs to those who delight in God’s Word, because the LORD watches over the way of the righteous, while the way of the wicked leads to ruin.

Does it agree with the rest of Scripture? Jeremiah 17:7-8 uses the same picture of a tree planted by water for the one who trusts in the LORD. Joshua 1:8 links meditating on God’s law day and night with a life that goes well. Jesus ends the Sermon on the Mount with two ways and two builders (Matthew 7:13-14, 24-27). The truth is well supported.

See the full homiletic on Psalm 1

Checklist

Before you move on, check that:

It is a full sentence (or two), not a topic.
It states what the passage teaches, not only what it says.
It grows out of my summary and divisions.
It is true for every reader, not only the first audience.
It agrees with the teaching of the whole Bible.
It says something about God, not only about us.
It is the main teaching of the passage, not a side point.