Don’t Make Assumptions 🧠
Your brain is a story-telling machine.
Give it two facts and a gap, and it will confidently invent the rest — usually without telling you it did so.
That’s why critical thinking starts with a simple rule:
Pause before you assume.
Or as Aristotle (the original overthinker) put it:
“It is the mark of an educated mind to be able to entertain a thought without accepting it.”
In plain English:
You can hold an idea in your head, look at it from different angles, and still decide not to believe it.
No commitment required.
Being a lifelong learner doesn’t mean collecting beliefs like Pokémon.
It means staying curious, skeptical, and willing to change your mind when better evidence shows up.
Deep Thinking
Think Deeply About Simple Things
Most people think “deep thinking” means:
- Big words
- Big theories
- Big headaches
In reality, deep thinking usually starts with small, ordinary moments.
Your brain is a superhero, but it defaults to “power-saving mode”. Deep thinking is just flipping the switch from autopilot to manual control.
The Decision Journal 📓
Big decisions feel scary because our brains love rewriting history.
When things go well:
“Obviously, I knew this would work.”
When things go badly:
“That was a terrible decision.”
A decision journal protects you from both illusions.
Before making an important decision, write down:
-
What is the expected outcome?
What do I think will happen and why? -
What are my unique advantages or insights?
What do I know that others might not? -
What is the opportunity cost?
What am I giving up by choosing this? -
What are the second- and third-order consequences?
Not just what happens next, but what happens after that?
{{< figure src="/images/decision-journal-template.jpg" title="Decision Journal template" >}}
Later, you don’t judge yourself by the result —
you judge yourself by the quality of your thinking at the time.
That’s real critical thinking.
Putting It All Together
Critical thinking isn’t about being:
- Cynical
- Negative
- Paralyzed by doubt
It’s about being:
- Curious instead of reactive
- Thoughtful instead of impulsive
- Open instead of defensive
A simple mental checklist
- Am I assuming something?
- Have I considered another explanation?
- Am I reacting… or reasoning?
- Would I still believe this if it weren’t my idea?
Final Thought 💭
Critical thinking doesn’t make life harder.
It makes it clearer.
You stop arguing with reality, stop fighting your thoughts, and start making decisions you can stand behind — even when things don’t go perfectly.
That’s not just intelligence.
That’s wisdom.