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If you Google search "wise quotes", in about 0.07 seconds you can find 46,400,000 results.  Anything from Plato, Buddha, and Confucius to Jimmy Hendrix and Eisenhower.  People talk about all sorts of things, and if you are famous enough, i.e. played in a movie, been auto-tuned in a popular song, or released a sex tape, then people will tend to listen.  And some people will tend to write these things down and pass them off as wisdom later on.

The Internet provides loads of information. There are pros and cons to this. The pros are that gap between the expert and the average person has significantly shrunk. However, the main con to this is that with all this information it is very easy to fall victim to false data. Different biases, viewpoints, and prejudices can cause information to be skewed. Continuing education can be a dangerous endeavor.