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TranscriptShould we use science and philosophy to support the existence of God or only the Bible?
Most of the time when I speak about apologetics, or even just more broadly on reasoning through the claims Christians make about the world, I'll get an objection. This objection might just be a person's face, where you can clearly see the person disagrees with the approach being taken, or someone will talk to me afterwards. A lot of times this objection comes from a Christian who does not like the fact that I'm using science or philosophy to support the existence of God. Some people even more fundamentally just object to giving reasons for the existence of God or for why we should trust the Bible. Instead, they say, "Well, that's something we take on faith.
I want us to think through this today. How should we think about how we support the existence of God? Now, on the one hand I think there are inappropriate ways to do this. I think there are ways that try to make Christianity look enticing by appealing to a person's sinful desires. I do not like the arguments for Christianity that say something like, "Well, don't you want peace in your life? Don't you want happiness? Don't you want fulfillment? Don't you want to not go to hell?" I don't like those types of appeals. I do think there are proper and improper types of arguments or appeals.
Should we give reasons?
The first thing I want to address is, "Why should we give reasons for Christianity?" Sometimes for the person who objects to the giving of reasons they're very comfortable giving you reasons why you shouldn't give reasons for the truthfulness of Christianity. Doesn't that just strike you as odd? A person would be comfortable telling you why you shouldn't give reasons but they don't feel comfortable giving reasons for the hope they possess. That's almost self-contradictory.
I Peter 3:15 tells us to be prepared to give an answer, to give a well-reasoned defense, an apologetic, for why we believe what we believe. More than that, this is also the pattern of scripture. Paul gives reasons for why people should believe Christianity. When he does this he isn't always only quoting the Bible. He's reasoning from other places, like philosophy, or the natural world. Should the Christian only use the Bible to support the existence of God, or can we use other things? Well, I think even from the Bible you can support the idea that the Bible isn't the only source of truth. Is it the ultimate authority? Most certainly, but it is not the only way that we come to know things.
Should we use science
The first step I want to look at today is science. How should we use science in supporting the existence of God? Well, a great way and, indeed, one of my favorite ways is the cosmological argument, more specifically the Kalam cosmological argument that we've looked at before. It's a simple three-line way of reasoning to the idea that there must be a God. It goes like this,
Whatever begins to exist has a cause,
The universe began to exist;
Therefore, the universe has a cause.
Now, we're not going to go into that today. We've covered it before. We do need to be able to support each of those premises. We do need to be able to support the idea that everything that begins to exist has a cause. We do need to be able to support the idea that the universe began to exist. If we support those two premises and they're true, then the conclusion must be true.
What we're doing here is using philosophy and scientific evidence to support these premises, and we're using a philosophical idea and argument, a logical argument, to come to the conclusion that there must have been a creator. I can't help but think this is the same type of thing Paul's doing in Romans 1 when he says,
"For the wrath of God is…