Another discussion I
had with two of history’s great thinkers was in the realm of epistemology also
referred to as the Theory of Knowledge. This
time it is both George Berkeley and Immanuel Kant that provide some stimulating
conversation and insight on the subject after I posed a single question to them;
what can be truly known? As you will
read, this question is extremely deep and difficult for even the most
intellectual minds in philosophical history.
Now if you know George
Berkeley, or read any of his work, especially A Treatise Concerning the Principles of Human Knowledge, then you
would know his stance on the subject is that “to be is to be perceived”. He restates this argument aloud again as
though neither I nor Immanuel Kant have ever heard or read his widely known
beliefs before. Basically his answer is
no because truth is just an idea or perception of the sensible world. While both I and Immanuel agreed that he
exposed the flaws or poked holes in (however you choose to see it) John
Locke’s An Essay Concerning Human
Understanding, we couldn’t accept perception alone as the only measure of true
knowledge. And I as I pointed out to
George Berkeley, God was his ultimate answer to the physical world that he
couldn’t fit into his own theory. Kant
countered by insisting that true knowledge comes from using our minds to
interpret our sensory experiences and not sensory experience alone. And that an external, material world must
exist in order for our senses to actually be of any value. “Otherwise,” he continued, “why would we have
any need for them or God have endowed us with them?” I could tell this question bothered Berkeley. After a few minutes of intense thought,
Berkeley finally responded by suggesting that it is the mind that allows the
senses to exist because it believes them to exist and uses them to develop
perceptions and ideas. But it was Kant
that had the last word by saying that the world of objects indeed exists and
our minds allow us to interpret, remember, organize experiment and test our
theories to gain a better understanding of the material world and allowing true
knowledge to be attainable.
A long
period of silence gave the three of us a chance to reflect on the
conversation. I began to understand why
Kant felt obligated to combine the rationalist and empiricist view into a
unified theory. Both were dead ends when
followed to their conclusion but I wondered how he could be certain in his
assumption that the material world actually exists if other great philosophers
were not as convinced. However I found
it equally as hard, if not harder, to accept Berkeley’s answer that nothing can
ever be truly known. How can he say that confidently? How is that statement in itself truly known
if nothing
can be truly known? It is a self-contradicting
statement and argument. Also, I wonder how
can we contemplate these things forever and never achieve any real or true knowledge
about it. How can verifiable and
repeatable results not lend to the validity of certain things being facts
instead of theories? The fact remains that we, humans, have
achieved many things based on what we believe to be truths. We have developed fundamental laws and
mathematics that are the foundations for our technological advancement and our
civilizations ultimate success. All of
which seem to support the idea that some things are truly known.
In conclusion, after
reflecting on the conversation with these two highly intelligent men and
reviewing several other opinions and theories from a few other notable
philosophers on the same subject, I found that some things can be truly known
while others may never be. I say that I
honestly found Kant’s theory to be much more likely then Berkeley’s. Personally I completely believe and hold
certain things to be undoubtedly true and no matter how hard we may try to
disprove them as true we cannot. For
example water is wet, life exists and the sun is hot and bright. These things
are facts not because I or we all experience them with our senses but because
we have cannot disprove their existence or end their existence. They are not
here simply because I or we experience them or perceive them because we have
not always existed and at some point we will all cease to exist. Yet water will still be here and wet, life
will still exist in some form or another and the sun will shine regardless of
whether they are experienced by humans or not.
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