The principle of sufficient reason, which asserts that everything must have a reason, cause, or explanation, faces several philosophical challenges. One major problem is that it seems to demand explanations for things that may be fundamentally unexplainable, such as the origin of the universe itself, leading to potentially infinite regress. It also struggles with contingent truths—events or facts that appear to happen without necessity—raising questions about whether every occurrence truly has a sufficient reason. Furthermore, the principle can slip into circularity: the “reason” it demands may itself require a further reason, undermining its explanatory power. These issues make the principle both difficult to justify and limited in its practical application.
Even if the principle of sufficient reason is true, we are often limited in what we can say about it. It may guarantee that every event or fact has an explanation, but it does not grant us access to the nature of that explanation. For many phenomena—especially the origins of the universe or the deepest laws of reality—we can only acknowledge that a reason exists while remaining silent about its content. Attempting to describe it risks overstepping our epistemic limits, so the most honest stance is simply to affirm that there is an explanation without claiming to know what it is like.
RUSSELL
Bertrand Russell observed that it seems an all-good God would face a tension in allowing injustice and evil, noting that while it may be unlikely, it is still possible. If the universe does not require a God at all—or does not require a personal, benevolent God—then faith in such a God is unnecessary. Brute facts, by contrast, are indifferent to human beliefs; reality does not accommodate our desires or moral expectations, and we must align our thinking with them rather than expect them to conform to us. From this perspective, a God who demands faith and loving commitment while permitting evil could be seen as morally problematic. The existence of evil, in this sense, challenges the coherence of a traditional theistic God defined as omnibenevolent, though it does not negate the possibility of other conceptions of a creator.
THEORY OF EVERYTHING
The search for a theory of
everything aims to unify the various theories of physics into a single, coherent
framework. While each theory makes sense on its own, taken together they often
appear to conflict. It is possible that human understanding may never reach a
point where we can fully reconcile them, and that we may have to accept the
universe—and its origin—as fundamentally paradoxical. If that is the case, the
existence of all things may itself be best understood as a paradox. From this
perspective, attributing creation to an impersonal intelligence may be as
reasonable—or perhaps even more so—than attributing it to a personal God. This
raises the question: if we are unable to resolve the paradox, what is the
justification for insisting that a personal God is the cause of everything?
THE ARGUMENT
The principle of sufficient reason states: “Everything
that happens or exists has a sufficient reason for happening or existing.”
There has to be something without an explanation.
That would mean that the something is just a brute fact.
It is forgotten that a brute fact is an explanation. It usually is not, but there are exceptions.
The Church says the existence of anything at all needs an explanation.
But we
all know that if there were nothing, that would be a brute fact and need no
explanation. There would be no question of why nothing rather than something.
The Principle of Sufficient Reason (PSR) enunciates:
"The PSR is
closely related, if not fully identical, to the principle 'ex nihilo, nihil fit'
('From nothing, nothing comes'). One of the most interesting questions regarding
the PSR is why to accept it at all. Insofar as the PSR stipulates that all facts
must be explainable, it seems that the PSR itself demands an explanation just as
much. Several modern philosophers attempted to provide a proof for the PSR,
though so far these attempts have been mostly unsuccessful."
http://plato.stanford.edu/entries/sufficient-reason/
Thus, the notion that we need God to account for our existence is just a
guess. It rings true to many, but it is not as simple as they make it out to be.
Why are we told about the Principle of Sufficient Reason? Why not the Principle
of Necessary Reason? “Sufficient” gives it away that they are not as sure as
they let on. While chicken is sufficient to keep a dog fed, it does not follow
that chicken is necessary to keep it fed. Any food would do.
OBJECTING TO GOD
AS SUSTAINING CREATION
God does not make a universe like a clock and leave it
to run. Creation means He continues to create every moment the universe is here.
It would vanish into nothing if He backed off for a second.
Talk about God as
creator of all things when there was nothing at all before is based on the
doctrine that all things exist for a reason. Another way to phrase it is that
there are no coincidences.
This is harmful, for if harm really is too big for
us to handle, we need to know—and also we need coincidences. We like them, for
they are an antidote to seeing our lives as mechanical and banal. We like the
idea of chance surprising us.
It is harmful to look for a lesson in all that
happens if there is no lesson, for we will blame ourselves for not finding one.
We risk not looking—or grabbing at something stupid and calling it an
explanation or lesson. None of this is compatible with having a smart, mature
sense of responsibility.
If you see a coincidence as a gift from God, then it
must have a message. Why else is God trying to surprise you? You are bragging,
in a sense. You think you are worthy of this message—that you are special. You
think you know better than all the other people who swear they got messages and
who end up bickering and discrediting each other. It is dangerous to see
messages in case they are not there.