Faithlife Sermons

I Don't Believe God Exists. How Can Anyone Be Sure?

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1. The Uncaused Cause (Cosmological) Argument

Everything has a cause

That cause must be caused by something else

BUT – you cannot have an infinite chain of causes, it must all begin somewhere

Therefore, there must be something or someone that does not need to be caused by something else

The only thing powerful enough to not need a cause would be God

Therefore, God must exist

Gen 1:1 In the beginning (Time), God created the Heavens (Space) and the earth (Matter)

Acts 17:24 ESV
The God who made the world and everything in it, being Lord of heaven and earth, does not live in temples made by man,

2. The Complexity of our planet points to a deliberate Designer.

The Earth is Perfect in Size.

If Earth were smaller, an atmosphere would be impossible, like the planet Mercury.

If Earth were larger, its atmosphere would contain free hydrogen, like Jupiter.

Earth is the only known planet located at a perfect distance from the sun equipped with an atmosphere of the right mixture of gases to sustain plant, animal and human life.

3. The Complexity of the Human Body

Homeostatic mechanisms allow the temperature to remain constant, and the acid-base levels to remain within very tight limits

The kidney helps regulate the blood pressure and the fluid balance

Blood-clotting proteins all have to be in exactly the same place at exactly the right concentrate or a small cut on your finger will cause you to bleed to death

Psalm 139:14 ESV
I praise you, for I am fearfully and wonderfully made. Wonderful are your works; my soul knows it very well.

4. Fine-Tuned Argument

Psalm 19:1–2 ESV
The heavens declare the glory of God, and the sky above proclaims his handiwork. Day to day pours out speech, and night to night reveals knowledge.

5. Moral Argument

All people recognize some moral code (that some things are right, and some things are wrong).

Arguments over right and wrong appeal to a higher law

Because the Moral Law transcends humanity, this universal law requires a universal lawgiver. The Lawgiver is God.

Romans 2:14–15 ESV
For when Gentiles, who do not have the law, by nature do what the law requires, they are a law to themselves, even though they do not have the law. They show that the work of the law is written on their hearts, while their conscience also bears witness, and their conflicting thoughts accuse or even excuse them

Why Won’t People Believe and Come to Christ?

Romans 1:20 ESV
For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse.
Romans 1:28 ESV
And since they did not see fit to acknowledge God, God gave them up to a debased mind to do what ought not to be done.
2 Thessalonians 1:7–8 ESV
and to grant relief to you who are afflicted as well as to us, when the Lord Jesus is revealed from heaven with his mighty angels in flaming fire, inflicting vengeance on those who do not know God and on those who do not obey the gospel of our Lord Jesus.
Romans 10:17 ESV
So faith comes from hearing, and hearing through the word of Christ.
Hebrews 11:6 ESV
And without faith it is impossible to please him, for whoever would draw near to God must believe that he exists and that he rewards those who seek him.
Romans 6:17–18 ESV
But thanks be to God, that you who were once slaves of sin have become obedient from the heart to the standard of teaching to which you were committed, and, having been set free from sin, have become slaves of righteousness.
1 Timothy 6:13 ESV
I charge you in the presence of God, who gives life to all things, and of Christ Jesus, who in his testimony before Pontius Pilate made the good confession,
Mark 16:16 ESV
Whoever believes and is baptized will be saved, but whoever does not believe will be condemned.
2 Timothy 4:7 ESV
I have fought the good fight, I have finished the race, I have kept the faith.
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