There is no such thing as useless knowledge. I have endless examples proving that every opportunity to learn something new should be used.
Yesterday, for instance, I spent all day shopping, running errands, going from one place to another. It was extremely hot, my belly was flapping around, and I was exhausted.
When I finally got home, I discovered that a new book had arrived. I wasn’t sure I had energy or time to start a new book then and there.
I got over myself, though, and started the new book. My reward caught up with me on page 46 where I discovered a fact that allowed me to avoid a very embarrassing mistake in an article I was going to submit today. If I had postponed the book by a single day, I would have sent out an article with a mistake.
Given that I only have this career because 14,5 years ago I memorized some completely random words in Spanish in preparation for a placement test I had no chance of passing, I now know for sure that there is no useless knowledge.
Clarissa's Blog 
I think my favourite fictional example of “useless” knowledge being used with cunning skill is in the movie, Legally Blonde. Elle Woods, the protagonist, uses her knowledge of the chemical composition and reactions of hair-care products to deliver a slam-dunk bit of proof that her client was not guilty of the crime of which she was accused. 🙂
As an autistic, I’ve got to say that “useless” knowledge has gotten me where I am today, and I couldn’t be happier.
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I agree. My “useless knowledge” that I was told was pointless, utterly and completely worthless, and that I should study other things as a child and young adult if I wanted a job one day, is now completely responsible for my career where I make more per annum than many doctors — all with no college degree and as a complete autodidact.
Here’s to useless knowledge!
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“Useless knowledge” is a slur used by capitalists against students, especially the poor ones.
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