The one sign that someone is highly intelligent, according to philosopher Arthur Schopenhauer
He understood the inner world of exceptionally intelligent people.

A math professor and Arthur Schopenhauer.
Philosopher Arthur Schopenhauer (1788-1860) transformed our understanding of the human condition by arguing that people are primarily driven by desire, rather than reason. As bleak as this may seem, he believed that the suffering caused by desire could be mitigated through art, compassion, and a life of simplicity.
Given that Schopenhauer was one of the greatest minds of his era, he had a unique understanding of how geniuses think. He believed that most highly intelligent people share a single trait: they like to keep to themselves. Julian de Medeiros, a Substacker and popular TikTok personality who discusses philosophy, discussed Schopenhauer’s thoughts in a video with nearly four million views.
@julianphilosophy Simple sign of intelligence #introvert #smart #work #intelligent #home
What is a sign that someone is highly intelligent?
“This is a simple rule about intelligence from the philosopher Schopenhauer, who basically argued that intelligent people keep to themselves. In fact, that intelligent people need time and space. They tend to be introverted or, in his precise words, ‘it is the fate of all great minds to be alone,’” de Medeiros says.
Highly intelligent people don’t mind being alone
One would assume that some super genius who wants to be alone all the time is some miserable curmudgeon. However, de Medeiros argues that this is not the case. “For Schopenhauer, being alone did not equate loneliness. In fact, he said intelligent people prefer their own company. It's like they're never bored. There's so much that they want to do. They're happy to have time to themselves,” he continued.
Schopenhauer was pretty clear that he enjoyed being alone in a passage from his 1851 book, Parerga and Paralipomena:
“The ingenious person will, above all, strive for freedom from pain and annoyance, for tranquility and leisure, and consequently seek a quiet, modest life, as undisturbed as possible, and accordingly, after some acquaintance with so-called human beings, choose seclusion and, if in possession of a great mind, even solitude. For the more somebody has in himself, the less he needs from the outside and the less others can be to him. Therefore, intellectual distinction leads to unsociability.”
The video concludes with a warning from de Medeiros: “Intelligence can breed indifference because [if] you like being by yourself so much that you don't go out to spend time with people or with friends. This can make you a misanthrope."
Was Schopenhauer correct in his assumptions about intelligence?
Even though Schopenhauer’s ideas date back to the 19th century, a 2016 study published in the British Journal of Psychology shows he wasn’t wrong. A survey of more than 15,000 adults found that, for most participants, socializing with friends was positively associated with life satisfaction. However, for those with higher IQs, the pattern flipped. Participants with higher IQ reported higher life satisfaction when they socialized less frequently.
A 2023 study titled "The Psychological World of Highly Gifted Young Adults" found that highly gifted adults often enjoyed their own company over that of others because they had difficulty finding interests they shared with the average person. Highly gifted people just didn’t feel like they “fit in” socially in most environments.
Ultimately, one of the hallmarks of being highly intelligent is being incredibly cautious. So, if you’re a smart cookie and enjoy spending evenings at home with a good book instead of hanging out at a bar, don’t feel bad; there’s nothing wrong with being your own favorite company.



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An Irish woman went to the doctor for a routine eye exam. She left with bright neon green eyes.
It's not easy seeing green.
Did she get superpowers?
Going to the eye doctor can be a hassle and a pain. It's not just the routine issues and inconveniences that come along when making a doctor appointment, but sometimes the various devices being used to check your eyes' health feel invasive and uncomfortable. But at least at the end of the appointment, most of us don't look like we're turning into The Incredible Hulk. That wasn't the case for one Irish woman.
Photographer Margerita B. Wargola was just going in for a routine eye exam at the hospital but ended up leaving with her eyes a shocking, bright neon green.
At the doctor's office, the nurse practitioner was prepping Wargola for a test with a machine that Wargola had experienced before. Before the test started, Wargola presumed the nurse had dropped some saline into her eyes, as they were feeling dry. After she blinked, everything went yellow.
Wargola and the nurse initially panicked. Neither knew what was going on as Wargola suddenly had yellow vision and radioactive-looking green eyes. After the initial shock, both realized the issue: the nurse forgot to ask Wargola to remove her contact lenses before putting contrast drops in her eyes for the exam. Wargola and the nurse quickly removed the lenses from her eyes and washed them thoroughly with saline. Fortunately, Wargola's eyes were unharmed. Unfortunately, her contacts were permanently stained and she didn't bring a spare pair.
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Since she has poor vision, Wargola was forced to drive herself home after the eye exam wearing the neon-green contact lenses that make her look like a member of the Green Lantern Corps. She couldn't help but laugh at her predicament and recorded a video explaining it all on social media. Since then, her video has sparked a couple Reddit threads and collected a bunch of comments on Instagram:
“But the REAL question is: do you now have X-Ray vision?”
“You can just say you're a superhero.”
“I would make a few stops on the way home just to freak some people out!”
“I would have lived it up! Grab a coffee, do grocery shopping, walk around a shopping center.”
“This one would pair well with that girl who ate something with turmeric with her invisalign on and walked around Paris smiling at people with seemingly BRIGHT YELLOW TEETH.”
“I would save those for fancy special occasions! WOW!”
“Every time I'd stop I'd turn slowly and stare at the person in the car next to me.”
“Keep them. Tell people what to do. They’ll do your bidding.”
In a follow-up Instagram video, Wargola showed her followers that she was safe at home with normal eyes, showing that the damaged contact lenses were so stained that they turned the saline solution in her contacts case into a bright Gatorade yellow. She wasn't mad at the nurse and, in fact, plans on keeping the lenses to wear on St. Patrick's Day or some other special occasion.
While no harm was done and a good laugh was had, it's still best for doctors, nurses, and patients alike to double-check and ask or tell if contact lenses are being worn before each eye test. If not, there might be more than ultra-green eyes to worry about.