Professional Judgment: Is It Common Sense or Experience
Nov 05, 2026
Your Expertise Is Not “Just Common Sense”
“It’s just common sense.”
How often have you said that after explaining something you know how to do?
You spot the gap in a project plan. You hear the sentence that will put a reader on the defensive. You ask the question that makes a room fall quiet because, apparently, nobody has asked it before.
And then you shrug.
“Anyone would have noticed.”
Would they?
You have forgotten how much you have learned
When you spend years doing something, the thinking becomes quieter. You no longer need to narrate every step. Experience joins the dots before you have finished looking at the picture.
That can make a hard-earned skill feel ordinary.
It is rather like driving a familiar route. You know which lane to choose, where the awkward junction sits, and which bend requires a little respect. Meanwhile, the person beside you is still trying to work out why the satnav sounds disappointed.
Familiarity makes knowledge feel easy. It does not make that knowledge universal.
Listen for the word “just”
“I just put together a training session.”
“I just helped her organize the report.”
“I just asked a few questions.”
That little word can sweep a remarkable amount of work under the carpet.
Putting together a useful training session means deciding what people need, what they might misunderstand, and how to help them use what they learn.
Helping someone organize a report can mean untangling three competing messages and finding the one decision the reader needs to make.
And those few questions? They may have come from years of seeing what happens when nobody asks them.
“Just” has a lot to answer for. For such a small word, it carries a very large broom.
Your everyday skill may be someone else’s sticking point
Somebody is staring at a blank page you could help them fill.
Somebody is preparing for a conversation you have navigated many times.
Somebody has been handed an unfamiliar assignment and is quietly wondering whether everyone else received the instruction manual.
You do not need to know everything to be useful. You do need to recognize where your experience can help, explain it clearly, and be honest about its limits.
Sometimes the most helpful thing you can say is, “Here is how I would start.”
What feels obvious to you may give someone else a foothold.
Give your experience a proper introduction
The next time someone thanks you for your help, try leaving out the shrug.
You can simply say, “You’re welcome. I’m glad that helped.”
And when someone asks what you do, give them something concrete. Tell them you help people turn complicated findings into clear reports. Or help teams ask better questions before a project becomes an expensive lesson. Or help a nervous speaker find their opening sentence.
That gives people a chance to understand when to call you.
At LG3, that is part of what we want learning, and our Let’s Just Speak sessions, to make possible: a little space to recognize what you know, work through what is getting in the way, and put your experience to use.
For today, catch yourself when you say, “Oh, that’s just common sense.”
There may be twenty years of practice hiding inside that sentence.
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