People With Big Brains But Zero Common Sense Usually Say 8 Phrases In Casual Conversation
iona didishvili / Shutterstock You can possess all the intellectual skill in the world and still be completely lacking in the realm of common sense.
People who have high IQs but little practical knowledge and poor judgment will often say things casually that come across as rude or strange to others. They may have the biggest brains of anyone they know, but if they can't relate to other people's common experiences, no matter what they say, they won't sound like they actually know all that much.
People with big brains but no common sense tend to say these phrases in casual conversations
1. ‘You didn’t know that?’
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Making someone feel stupid or small because they didn’t know something is the quickest way to shut down a productive conversation. Even if a truly smart person genuinely thought it was common knowledge, it still makes someone else feel embarrassed, especially in a group setting.
People with common sense balance what they know with what they choose to say, especially in conversations with people who may have fragile egos or something to prove. They know that making someone defensive, even if it’s unintentional, can quickly spiral out of control.
2. ‘Technically, that’s wrong’
Especially for people who struggle to speak up and express their opinions, being shut down by someone saying they're wrong can quickly sabotage their confidence. Feeling insecure often leads to avoidance and defensiveness that isn't helpful for anyone who is trying to solve a problem.
When talking about polarizing beliefs and opinions, people need to be open-minded if they want to mend misunderstandings. These are the kind of conversations that bring us closer, but if someone with no common sense is picking apart someone’s logic and making them feel unheard, they’re doing quite the opposite.
3. ‘I didn’t know you wanted that’
Direct communication can be a form of kindness that we seriously underestimate. Asking someone what you can do for them or how they are feeling can be more powerful than making assumptions and trying to act based on what you believe is right for another person.
People with common sense and social awareness know to ask these questions and avoid assumptions, but someone more focused on thinking through decisions themselves and making factually correct ones may overlook someone else’s feelings and needs in the process.
4. ‘I already knew that’
Pretending that someone’s teaching you something new to make them feel important isn't always a bad thing. Especially when you’re trying to build trust with someone or get them to consider your opinion at work, sometimes you have to be intentional about making them feel valued.
Someone without common sense plows right through these opportunities, acting on a need to prove themselves. They'll say they already knew that and come across as combative and arrogant, which doesn’t help anyone feel good about themselves.
5. ‘That’s not what happened’
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Even if they're trying to solve a problem and point out literal inaccuracies, when a smart person says that’s not what happened, it can come across as invalidating. It’s the kind of phrase that a gaslighter would say with completely different intentions, but someone listening doesn’t always see what a person means right away.
Feeling invalidated for sharing a story or their perspective on something only creates more anxiety and negativity for those on the other side of this conversation.
6. ‘I already told you’
For someone with a quick mind and above-average cognitive ability, it can be annoying to be around people who take a long time to catch on or understand something. People with common sense learn how to shift their language to make conversations more accessible.
People without it rely on saying that they already told you something to prove their intelligence. As a result, nobody wants to speak to them, because they feel like they’re walking on eggshells.
7. ‘I’m just stating the facts’
Phrases like “I’m just stating the facts” and “that’s the truth” often come across as wildly condescending, even when they’re said from a good place. Even if they’re just trying to solve a problem, if it comes at the expense of someone else’s lived experience or emotions, they’re probably not interested in working on your team anymore.
Even if we don't know all the facts, we all have something to bring to the table. Honoring their space and making them feel heard is how people with true common sense have the most productive conversations.
8. ‘That’s completely irrational’
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When someone shares an opinion or simply shares their emotions, the last thing they want to hear is that they're being completely irrational, especially when they are seeking support. Even if, to a very smart person, what they’re speaking about does seem irrational in their minds, this kind of dismissive language shuts them down.
For someone trying to build trust, it’s the last thing they should say.
Zayda Slabbekoorn is a senior editorial strategist with a bachelor’s degree in social relations & policy and gender studies who focuses on psychology, relationships, self-help, and human interest stories.
