Lesson 4 · Course 62

New Attacks on Christianity from Postmodernism

Five classical arguments for God — cosmological, teleological, anthropological, ontological, and congruity — plus conscience as God’s inward self-revelation.

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At a glance

Summary

Lesson 4 surveys five classical arguments for God’s existence (cosmological, teleological, anthropological, ontological, congruity). Logical arguments do not save, but they can condemn refusal to respond; the Bible does not begin by proving God to unbelievers. Conscience (Rom 2:15) is God’s self-revelation from within man.

CompleteQuiz 100%

Quiz 4: 10/10 (100%) on attempt 1 (11m 6s). Essays Complete/Not graded. cmid 1095.

Big ideas

What to teach and remember

  • Five arguments: cosmological, teleological, anthropological, ontological, congruity.
  • Logical arguments do not save but can condemn refusal to respond.
  • Bible does not begin by proving God to unbelievers; arguments are not undeniable to everyone.
  • Cosmological = First Cause / Uncaused Cause / Prime Mover; something ≠ nothing.
  • Teleological = watchmaker/design; anthropological = human nature → personal God; ontological = mind can’t conceive a non-existent perfect Being.
  • Conscience (Rom 2:15) = God’s self-revelation from within man.
Key terms

People, places, and words that matter

Cosmological

First Cause / Uncaused Cause / Prime Mover argument; something does not come from nothing.

Teleological

Watchmaker/design argument — the world as created by God, as a watch proves a watchmaker.

Anthropological

Human nature reveals a personal God.

Ontological

The mind cannot conceive of that which is non-existent — concept of a perfect Being points to that Being.

Congruity

When creation, design, human nature, reason, and revelation are considered together, they fit best with the existence of God.

Uncaused Cause / Prime Mover

Equivalents in the cosmological argument for the independent First Cause of the universe.

Conscience (Rom 2:15)

God’s self-revelation from within man — the law’s work written on the heart; conscience accusing or excusing.

Structure

Outline / timeline

  1. Limits of logical arguments: not undeniable to all; do not save; can condemn refusal
  2. Bible does not begin by proving God to unbelievers
  3. Cosmological argument: First Cause / Uncaused Cause / Prime Mover
  4. Teleological argument: watchmaker / design
  5. Anthropological argument: human nature → personal God
  6. Ontological argument: mind cannot conceive a non-existent perfect Being
  7. Congruity: all facts together fit best with God’s existence
  8. Conscience (Rom 2:15): God’s self-revelation from within man
Must remember

Facts to keep straight

Quiz 4100% (10/10), attempt 1, 11m 6s, cmid 1095
Five argumentsCosmological, teleological, anthropological, ontological, congruity
Uncaused CauseAlso understood as the Prime Mover
Logical arguments & salvationNot sufficient to bring salvation
Logical arguments & condemnationSufficient to condemn a person who will not respond to God
Bible’s starting pointDoes not begin by proving God to an unbelieving world
Undeniable to everyone?No — arguments do not demonstrate undeniable reality to everyone
Compare

Side-by-side contrasts

Five arguments — what each starts from

  • Cosmological: chain of causes/effects → First Cause / Uncaused Cause / Prime Mover (something ≠ nothing)
  • Teleological: order, harmony, purposeful design → intelligent Designer (watch → watchmaker)
  • Anthropological (moral): human intellect, freedom, conscience, moral awareness → personal God
  • Ontological: concept of a perfect/greatest Being → that Being exists (mind can’t conceive the non-existent)
  • Congruity: creation + design + human nature + reason + revelation together → best fit is God’s existence

Logical arguments — save vs condemn

  • NOT sufficient to bring salvation
  • ARE sufficient to condemn a person who will not respond to God
For the pulpit

Sermon hooks

  • Name the five paths to the same mountain: cause, design, human nature, the idea of perfection, and the fit of all the facts.
  • Arguments do not save — but refusal to respond still stands condemned.
  • Scripture assumes God; it does not open with a proof for the skeptic.
  • Romans 2:15: conscience is God’s whisper from inside — accusing and excusing.
Quiz drill
Quiz drill / review · open to practice · 10 items

Quiz score: 100% · 1 attempt

1. The logical arguments for the existence of God demonstrate to everyone the undeniable and unquestionable reality for the existence of God.

FalseArguments are not undeniable and unquestionable to everyone.

2. The Bible begins by attempting to prove the existence of God to an unbelieving world.

FalseThe Bible does not begin by proving God to unbelievers.

3. The cosmological argument for the existence of God addresses the issue of God as the First Cause.

TrueCosmological = First Cause / Uncaused Cause / Prime Mover.

4. The cosmological argument uses the logic that ‘something’ does not come from ‘nothing.’

TrueSomething ≠ nothing — core cosmological logic.

5. The ‘Uncaused Cause’ is also understood as the ‘Prime Mover.’

TrueUncaused Cause and Prime Mover are equivalent titles.

6. When considering the teleological argument for the existence of God, we look at the world as created by God, even as a watch is the proof of a watchmaker.

TrueTeleological = watchmaker / design analogy.

7. The anthropological argument embraces the notion that human nature reveals a personal God.

TrueHuman nature points to a personal God.

8. The ontological argument embraces the notion that the mind cannot conceive of that which is non-existent.

TrueMind cannot conceive a non-existent perfect Being.

9. Logical arguments are sufficient to bring salvation.

FalseLogical arguments do not save.

10. Logical arguments are sufficient to condemn a person who will not respond to God.

TrueThey can condemn refusal to respond.
Essay themes

If you preach or review

five arguments for God's existence

1. Cosmological: The world is a chain of causes and effects, so it points to a First Cause or Uncaused Cause—God.
2. Teleological: The order, harmony, and purposeful design in the universe point to an intelligent Designer.
3. Anthropological (moral): Human intellect, freedom, conscience, and moral awareness are best explained by a personal God who is the source of our nature and moral standard.
4. Ontological: Our concept of a perfect and greatest Being points to the existence of that Being, since the mind cannot conceive of what does not exist.
5. Congruity: When all the facts—creation, design, human nature, reason, and revelation—are considered together, they fit best with the existence of God.

Cosmological Argument

The Cosmological Argument reasons from the existence of the world to a First Cause. Everything that begins or exists as an effect depends on a cause, and something cannot come from nothing. Creation exists, so it cannot explain itself; the chain of causes cannot regress endlessly without a beginning. Therefore, the universe must ultimately trace back to an uncaused, independent, all-powerful First Cause, also called the Uncaused Cause or Prime Mover. This Cause must be free, not forced by necessity, because it brought the world into existence at a point in time. It must also have intelligence and will: a timeless Cause could begin a temporal series only by freely choosing to create. Thus the order and existence of creation point beyond themselves to God as the Creator.

God's self-revelation from within man / conscience

God's self-revelation from within man is seen especially in conscience and moral awareness. Romans 2:15 says that even Gentiles who do not have the written law show that its work is written on their hearts, while their consciences accuse or excuse them. Because people are made in God's image, they naturally recognize moral absolutes and feel accountable when they do right or wrong. Laws in society also imply a Lawgiver and Judge, and our impulse to judge wrongdoing reflects this inner moral knowledge. Although sin has damaged the image of God in us, it has not erased it. This inward witness points to a personal, holy, and moral God and supports the truth of Scripture.