There is often much hidden wisdom
No, there are intentionally vague deep sounding comments to which wisdom can be associated. You've just given multiple meanings to the same words. Those other meanings may be useful but the words themselves are nonsense.
... intentionally vague deep sounding ... (symbols) ... to which wisdom can be associated. You've just given multiple meanings to the same ... (symbols) ... Those other meanings may be useful but the ... (symbols) ... themselves are nonsense.
That pretty much describes any proposition. If you wish, substitute the word 'noise' for the word 'symbol, then the paragraph describes an utterance.
There is a good resource on semiotics here.
Here's the new thread for posting quotes, with the usual rules: