This is the fifth and final entry on Locke's "Essay Concerning Human Understanding". The first is Locke: An Essay Concerning Human Understanding, the second Locke and the Formation of Ideas, the third Locke's Function of Words, the fourth Locke's Notion of the Self.
Definition:
Real Essence -The generally unknown constitution of things, wheron their discoverable qualities depend, the being of anything whereby it is what it is.
Limits of Knowledge
- One of the most important points that Locke tries to establish in his Essay is that the real essence of most material objects and phenomena we see in the world are completely unknown to us. This is a major limit to our knowledge. We receive simple ideas from objects, but those ideas are only of the surface, the materialness of the object. They reveal nothing to us of the inner, "real" (as defined above) essence of objects.
You see this picture and get many simple ideas from it, and from them gather complex ideas of the image. The complex ideas might be "handsome young man", "blue pack", "big black mountain", "mist". Ladies would abstract into further complex ideas and think of the children this man would give them, or what that toned body would feel like on top of them, or even imagine his wang to be bigger than it is.
- What you don't comprehend are the real essences of these ideas. There's no way to know the essence of the dashingly attractive young man, there's no way to know the underlying nature of the dark mountain, nor any of its rocks, pebbles, sticks etc. Their real essences are known only to God.
- In this way, we only get to the superficial levels. There is no way for us to know the hidden being behind things.
Our knowledge is more like the Jerry Springer show, we see the surface, the fights, the crying, the slapping of hoes and such.
It is not like Montel, where you understand the real essence of issues, where the underlying nature of pathetic people's problems really come to the surface through the amazing probity of an elevated soul such as Montel.
GOD
- Now that doesn't mean that our knowledge of everything is limited. Locke makes the distinction between knowing things like mathematics, God, and morals, and knowing superficial things like the essence of rocks.
- Of course, Locke tries to make his theories coincide with an affirmation in the existence of God. Here is basically how he does this:
-Those who look at this will see heavy influence from Spinoza's proof of God. Locke doesn't spend nearly as much time proving God's existence. He assumes it is pretty much given. He believes that although the knowledge of God is not innate, He has "fitted [hu]men with faculties and means to discover, recieve, and retain truths, accordingly as they are employed."
-One of these truths is the knowledge of God, that humans can discover from our own ideas, as shown above. But we can never know the essence of God. To that we are as blind as finding the essence of a rock.
Probability
-Because there are only a few things we can really know, like God, tennets of mathematics, and some broad moralities, the rest of our so-called "knowledge" is based on probabilities.
"As demonstration is the shewing of the agreement of disagreement of two ideas, by the intervention of one or more proofs, which have a constant, immutable and visible connection with one another: So probability is nothing but the appearance of such an agreement or disagreement, by the intervention of proofs, whose connection is not constant and immutable, or at least is not perceived to be so, but is or appears, for the most part to be so, and is enough to induce the mind to believe its true"
- Here he is saying that what we see as cause and effect, even in the hard sciences, is nothing more than noting something that will probably happen, not noting any true connection.
So even when we see the shirt of a fat angry woman come off on Springer, it is only probable that a fight may ensue
Even though it happens every single time.
-This is because all the empirical watching we do can see nothing of true cause and effect, only the material phenomena, therefore we have no real knowledge of these connections.
Out-Dating Locke
- Unfortunately for Locke, his theories on not knowing the essence of things, at least materially, have been disproven wholly.
-He states things like, "All gold is fixed is a proposition whose truth we cannot be certain of...For if...anyone supposes the term gold to stand for a species of things set out by nature by a real essence belonging to it, it is evident he knows not what particular substances are of that species, and so cannot with certainty affirm anything universally of gold."
Unfortunately for Mr. Locke, he didn't anticipate things like the Periodic table, nor atomic mass, that shows that underlying material essence of gold.
- It is also interesting that he would undermine the possibilities of science describing the real essence of natural phenomona, during the Enlightenment! The man was alive for the publication of Newton's Principia. There was certainly a deeper connection between the world and the observation of it through the calculus that Newton created. Furthermore, Newton could predict cellestial phenomena because of this. But there is still serious debate as to whether this is still just probability.
MC - Though Locke proved to be wrong about the limits of our knowledge, especially on discovering the material essence of objects, his contribution on Tabula Rasa and the use/formation of language have lived on and had great influence. His work is easy to comprehend and makes great sense on those areas. Though there are many theories of language that have been used since, his notion of simple ideas as sensory material being recieved and abstracted into complex ideas, then generalized into nominal ideas is still a prevelant and appreciated theory.































