No more things should be presumed to exist than are absolutely necessary..

Whenever two hypotheses cover the facts, use the simpler of the two..

When you have two competing theories that make exactly the same predictions, the simpler one is the better..

It is vain to do with more what can be done with less..

Entia non sunt multiplicanda praeter necessitatem.

Of two equivalent theories or explanations, all other things being equal, the simpler one is to be preferred..

Entities must not be multiplied beyond necessity..

My God is the green tide in the spring leaves the redness of cherries high in the air the excitement of shooting stars the song of birds in summer br….

God's existence cannot be deduced by reason alone..

The explanation requiring the fewest assumptions is most likely to be correct..

Entities are not to be multiplied beyond necessity..

First it must be known that only a spoken word or a conventional sign is an equivocal or univocal term; therefore a mental contentor concept is, stri….

3 is a prime, 5 is a prime, and 7 is a prime. Why bother with non-prime numbers when the primes can do everything?.

Intuitive cognition of a thing is cognition that enables us to know whether the thing exists or does not exist, in such a way that, if the thing exis….

Simpler explanations are, other things being equal, generally better than more complex ones..

Plurality should not be assumed without necessity..

Plurality is not to be posited without necessity..

Never increase, beyond what is necessary, the number of entities required to explain anything..

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 ….

With all things being equal, the simplest explanation tends to be the right one..

Entities should not be posited unnecessarily..