Definitions, Classifications & Methodologies
Part 1 — Defining Apologetics
apologia (ἀπολογία) = “a reasoned defense”
The Foundation
“But in your hearts revere Christ as Lord. Always be prepared to give an answer to everyone who asks you to give the reason for the hope that you have. But do this with gentleness and respect.” 1 Peter 3:15
Three Elements of 1 Peter 3:15
“Revere Christ as Lord”
Apologetics flows from devotion to God
“Be prepared to give an answer”
It requires study and preparation
“With gentleness and respect”
The manner matters as much as the message
The Biblical Basis
Case Study — Acts 17
Contextualize without compromise.
Why Now?
A Caution
02
Part 2
Answering objections & removing barriers to faith
Think of it as: playing defense.
Proactively building the case for Christianity
Think of it as: playing offense.
Challenging the internal consistency of other worldviews
Think of it as: turning the tables.
In Practice
A well-rounded apologist is comfortable in all three modes.
03
Part 3
Two-step method: theism first, then Christianity
Prove God exists
Cosmological, teleological & moral arguments
Prove Christianity specifically
Resurrection, Bible reliability, prophecy
Aquinas · Sproul · Craig · Geisler
One-step: go straight to historical evidence
Habermas · Licona · Strobel · McDowell
Starting point: the Bible as self-authenticating revelation
Van Til · Bahnsen · Frame
No single knockout argument — stack the evidence
C.S. Lewis · Swinburne · Keller
Belief in God as “properly basic”
Plantinga · Wolterstorff · Alston
At a Glance
| Method | Starting Point | Key Move | Best For |
|---|---|---|---|
| Classical ★ | Philosophy | Two steps: theism → Christianity | Atheists, agnostics |
| Evidential | Historical evidence | Straight to the resurrection | People open to God |
| Presuppositional | The Bible | Challenge foundations | Moving goalposts |
| Cumulative Case | Multiple lines | Stack the evidence | Big-picture thinkers |
| Reformed Epist. | Belief as basic | Defend rationality | “How can you believe?” |
The Honest Answer
The best apologists draw from multiple methods depending on the person and the situation.
The Holy Spirit will guide you — but you need tools in the toolbox.
Our Journey
Let’s Talk
Before Next Week
Three arguments: Cosmological · Teleological · Moral
Bring your questions.