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It is commonly assumed that an item of knowledge and an article article of faith can never be the same thing. This assumption is mistaken. In this post, I will explain only one point: trust in authority can be a source of knowledge. That’s what faith is: trust. It’s still the first definition of “faith” in the dictionary. Also see the Latin fides and the Greek pistis.
So don’t believe the hype that categorically separates faith from knowledge. This separation ranges from the view William James attributes to a schoolboy (“Faith is when you believe something that you know ain’t true”) to Kant’s more sophisticated idea that “I had to deny knowledge in order to make room for faith” (in beliefs that might well be true).
We should also reject the hype that says that an argument from authority is necessarily fallacious. The best logic textbook in print will tell you otherwise. It will even tell you that there is such a thing as a valid argument appealing to an infallible authority! (“Valid” is a technical term in logic; be sure to look it up first if you’re inclined to complain that there are no infallible authorities.)
Arguments from authority are good or bad depending on what their content is: and primarily on what sort of knowledge the authority is supposed to have, and whether it is reasonable to suppose that the authority really has it.
So an argument from a reliable authority is a good argument, and an argument from an unreliable or untrustworthy authority is a bad argument.
We must also dispense with the idea that science is the epistemological opposite of faith: one relying entirely on reason, one not at all. In actuality, religious faith usually relies on reason to varying degrees, up to and including this summary of Christian theology by Thomas Aquinas–quite possibly the most impressive bit of systematic reasoning in human history. And, if Thomas Kuhn is even one-quarter correct, science is not a matter of objective reason alone.
But the bigger point to be made here is that science depends on faith as much as your average religion. That is to say, it depends on trust.
Yes, of course scientific experiments can be replicated. But chances are pretty good that you didn’t replicate them, and that someone else did it for you. And if you yourself did replicate some experiments, did you repeat the replication in order altogether to avoid having to take someone else’s word for it?
To skip over various levels of this exercise, here’s the end-point it leads to, using chemistry as an example. If you want to know something in chemistry without relying on trust, you will have to begin from the very beginning and repeat all of the experiments that led to the current state of chemical knowledge: all of them, multiple times each. You would die of old age before you caught up with the present state of chemical knowledge. And all of your hard work would be useless unless others had the good sense you lacked and were willing to take your word for it at least some of the time when you said that your experiments had turned out the way they had.
Even for scientists, scientific knowledge relies heavily on trust in testimony: the testimony of other scientists. As for the scientific knowledge of those of us who aren’t scientists, we are left where Scott Adams puts us in the Introduction to this book: depending on the word of people (most of whom we’ve never met) who simply tell us how things are.
Augustine (the real Augustine, the Church Father and founder of medieval philosophy) both here (chapter 5) and here (cartoon version here) is even more helpful than Adams. These are the sort of examples he uses:
- Do you know that Caesar became emperor of Rome about 50 BC? Yes; you know it by faith–by pistis, by fides, by trust–in the testimony of historians.
- Do you know that Harare, Zimbabwe, exists? Yes. But if you haven’t been there, then you know it by faith–by pistis, by fides, by trust–in the testimony of geographers or of people who have been there.
- Do you know who your parents are? You know that also by faith–by pistis, by fides, by trust in what they told you.
(On this last point my students instinctively think of DNA tests, at which point I explain to them that they would need not only to perform the test themselves, but to start from the very beginning of genetic science and reinvent it singlehandedly if the goal is to know who their parents are without taking someone’s word for something.)
No doubt some readers will suspect that I am attacking the legitimacy of science. Not at all. To the contrary, I presume the legitimacy of science.
I am only pointing out that faith, being trust, is something on which science depends; and, since I am in fact assuming that science is a source of knowledge, other beliefs that rely on reliable testimony can also be knowledge.
What you need to get knowledge by trust is a reliable testimony. And we have plenty of reliable testimony: science, history, geography, and (for most of us) our parents. We live our lives by this testimony.
Thus, the crucial question for religious knowledge is this: Do we have any reliable testimony supporting any religious beliefs?
- Are there any prophets of Jehovah?
- Are there any holy books? Any books that are God-breathed and inspired?
- Is there a real Messiah who can tell us about God and about how we can know God?
- Are there several predictions about the Messiah made centuries before his birth which all converge on the same person?
- Are there accounts of the Resurrection of the Messiah coming from eyewitnesses of sound mind?
- Is there a Roman Catholic Church with infallible authority, or at least a universal church with reliable authority?
Well, yes. We do have some of these things.
And why should you believe me when I say that? That’s a good question. And, more generally, how do you recognize a reliable testimony in religion?
To ask this question at this point is to observe that I have only showed that knowledge and (religious) faith can be the same thing–not that they ever are. It is a possibility, but that doesn’t mean it is a realized possibility.
But that’s enough ground covered for one opening post. Maybe we can talk about whether this possibility is ever realized, and about how we can know whether it is, in comments, or in a new thread.
Note from the author: We did indeed talk about it comments. See comments #s 156-161 for a handy overview of my thoughts on that subject (and an addendum showed up in comments #s 182-183, and another one in comments #s 262-263).