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Entia non sunt multiplicanda praeter necessitatem
Sep 18, 2025
People don't want to know the truth.
And this shows that sometimes people want to be stupid and they do not want to know the truth.
Nature operates in the shortest way possible.
If a thing can be done adequately by means of one, it is superfluous to do it by means of several; for we observe that nature does not employ two instruments [if] one suffices.
It is vain to do with more what can be done with less.
Therefore to the same natural effects we must, as far as possible, assign the same causes.
And this shows that people want to be stupid and they do not want to know the truth. And it shows that something called Occam's razor is true. And Occam's razor is not a razor that men shave with but a Law, and it says: Entia non sunt multiplicanda praeter necessitatem. Which is Latin and it means: No more things should be presumed to exist than are absolutely necessary. Which means that a murder victim is usually killed by someone known to them and fairies are made out of paper and you can't talk to someone who is dead.
For nothing ought to be posited without a reason given, unless it is self-evident (literally, known through itself) or known by experience or proved by the authority of Sacred Scripture.
Entities are not to be multiplied beyond necessity.
Entities must not be multiplied beyond necessity.
Scientists often talk of parsimony (as in "the simplest explanation is probably correct," also known as Occam's razor), but we should not get seduced by the apparent elegance of argument from parsimony; this line of reasoning has failed in the past at least as many times as it has succeeded.
There are more things in Heaven and Earth, Horatio, than are dreamt of in your philosophy.
Occam's razor suggests that, if some event is physically plausible, we don't need recourse to more extraordinary claims for its being. Surely the requirement of an all-powerful deity who somehow exists outside of our universe, or multiverse, while at the same time governing what goes on inside it, is one such claim. It should thus be a claim of last, rather than first, resort.
While Occam's razor is a useful tool in the physical sciences, it can be a very dangerous implement in biology. It is thus very rash to use simplicity and elegance as a guide in biological research.
So Occam's razor - Occam says you should choose the explanation that is most simple and straightforward - leads me more to believe in God than in the multiverse, which seems quite a stretch of the imagination.
With all things being equal, the simplest explanation tends to be the right one.
Of two equivalent theories or explanations, all other things being equal, the simpler one is to be preferred.
Were it not for Occam's Razor, which always demands simplicity, I'd be tempted to believe that human beings are more influenced by distant causes than immediate ones. This would especially be true of overeducated people, who are capable of thinking past the immediate, of becoming obsessed by the remote. It's the old stuff, the conflicts we've never come to terms with, that sneaks up on us, half forgotten, insisting upon action.
Nonbeing must in some sense be, otherwise what is it that there is not? This tangled doctrine might be nicknamed Plato's beard; historically it has proved tough, frequently dulling the edge of Occam's razor.
Make everything as simple as possible, but not simpler.
Christian apologists who argue that a story about an empty tomb is convincing evidence of a resurrected body are likely unfamiliar with Occam’s razor, which states that among competing hypotheses, the hypothesis with the fewest assumptions should be selected. They assume that the most likely explanation is miraculous resurrection through some unproven divine connection, but more likely scenarios include a stolen body, a mismarked grave, a planned removal, faulty reports, creative storytelling, edited scriptures, etc. No magic required.
The explanation requiring the fewest assumptions is most likely to be correct.
We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.
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