There is value in the advice of the expert and the amateur, and conversely, there is no value in the expert's opinion and the amateur's advice. - amateur's advice is retailing someone else's opinion. - Not gone through verification to actually do it myself - impressions of professionals are often at odds with "the impressions of the majority". - The majority of the world is amateur.
What you should really listen to are "Professional Advice" and "Impressions of a layman," and what you should not listen to the most are "Professional Impressions" and "Layman's Advice. So, you don't have to follow deeply even if a person who is familiar with the industry says "Wow," and you don't have to listen to a person who says "This is what you should do" about something he/she has not experienced.
relevance - Knowledge must be validated by practice - Facts and Interpretations - Experts are a minority - No one is equal to the market. because Don't assume that an expert's opinion is the opinion of the market.
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