Can God Make a Rock so Big…?
I remember when I first had this question brought to my
attention. I was sitting in a coffee
shop a block from my college campus. I
had just talked with my roommate who had just wrecked on his bicycle going to
meet a girl and his face looked like he had just lost a fight with a bear
(apparently his face absorbed most of the impact generated by his flailing
body). My friend Sean put the question
out there, “Can God make a rock so big that he cannot lift it?” I felt a lot like my friend’s face looked, the
mass and gravity of the question registered with me. I had just finished my first philosophy class
and all I could muster at the time was, “Can a car be too fast, can you have too
much fun, or can a girl be too pretty?” My
distraction highlighted the contradiction apparent in the question, but this was
not a satisfactory answer in my mind. I
logged the question for another day.
Philosophers and layman alike, have long pondered this question. The root of the problem is that if one
affirms that God can make a rock so big that he cannot lift it, then it affirms
that God cannot do everything and he is not omnipotent (or all powerful). If one affirms that God can lift anything,
then once again, God is limited, because he cannot make a rock big enough (thus
not omnipotent). The root of the
question is whether God is able to contradict Himself or thwart Himself. The over-arching argument that accompanies
this question, is that God is not omnipotent and the very concept of
omnipotence is contradictory.
However, the question highlights a misunderstanding of omnipotence and a crucial
misunderstanding of physics.
Omnipotence does not equate to the power or ability to do
all things, regardless of logical coherence.
In other words, omnipotence does not require the ability to perform
contradictory tasks or actualizing logically impossible circumstances.[1] God cannot make a square circle.[2] Also, God would not make a rock so big or
heavy that he could not lift it, because it would be against His character (omnibenevolent
and omniscient).
Here, Millard Erickson performs some heavy lifting and offers
another helpful observation highlighting the misunderstanding of mass and
gravity. If God made an infinite sized
rock, there would be no other physical object large enough to attract it or for
it to attract (no gravity).[3]
Therefore, a rock of infinite size would be weightless. Thus, once again highlighting that the
question posed is a bad question.
This raises a more salient question. Can a finite being trump an infinite God with
a question?
[1] Douglas Groothuis, Christian Apologetics: A Comprehensive Case For Biblical Faith
(Downers Grove, IL: Intervarsity Press, 2011), 197.
[2] Ibid., 197.
[3] Millard J. Erickson, Christian Theology (Grand Rapids, MI: Baker Publishing Group,
2013), 248.
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