Razor Sharp Thinking: How Philosophical Razors Cut Through Complexity

cognitive biases hanlon hitchens logical thinking mental models occam razors Feb 06, 2025

Our minds are constantly bombarded with information—claims, arguments, decisions, and problems that all demand our attention. But how do we separate useful insights from distractions, and how do we avoid getting lost in unnecessary complexity?

Reading Time - 4 mins

This is where philosophical razors come in. These simple yet powerful principles help us cut away weak reasoning, eliminate unnecessary assumptions, and structure our thinking more effectively. While they don’t provide absolute truth, they are incredibly useful tools for clearer thinking, better decision-making, and problem-solving.

 

Let’s explore three of the most valuable razors:

  • Hitchens’ Razor – Question assumptions and demand evidence.
  • Hanlon’s Razor – Assume incompetence before malice.
  • Occam’s Razor – Simplify and avoid unnecessary complexity.

 

These aren’t just abstract concepts—they’re practical mental tools that can improve the way you think, communicate, and approach everyday challenges.

 

What Are Philosophical Razors?

Philosophical razors are heuristics—mental shortcuts that help us make better judgments by eliminating unnecessary complexity or flawed reasoning. They’re called "razors" because they help us cut away what isn’t needed, leaving us with the most useful or likely explanation.

They don’t confirm a point of view, nor do they guarantee correctness. Instead, they serve as filters—helping us focus on the most logical, efficient, or evidence-based way forward.

Let’s break down how each of these razors works in practice.

 

 

Hitchens’ Razor: Demand Evidence and Question Assumptions

“What can be asserted without evidence can be dismissed without evidence.”
—Christopher Hitchens

 

Hitchens’ Razor is a bulwark against unfounded claims and inherited assumptions. It states that if someone presents an idea without evidence, you are under no obligation to accept it.

 

But its true power lies beyond just rejecting weak claims—it forces us to examine the fundamental assumptions we take for granted.

 

Many ideas persist not because they are well-supported, but simply because:

  • “That’s just the way we do things.”
  • “Because I said so.”
  • “It just is.”

 

These phrases indicate thinking that has become stagnant, often independent of whatever reasoning led to the belief in the first place. By applying Hitchens’ Razor, we open the way for better solutions, new insights, and genuine understanding.

 

How to Apply Hitchens’ Razor:

When you hear a claim, ask: "What evidence supports this?"
If the answer is tradition, authority, or habit, consider: "Is this assumption still valid?"
If the answer is "We don’t actually know", treat it as an opportunity for innovation rather than a dead end.

 

Example:
A workplace has always followed a specific process because "that’s just how it’s done." Applying Hitchens’ Razor, one might ask: "Do we actually have evidence that this is the best method?" If not, it’s worth exploring alternatives.

 

Key Takeaway:
Hitchens’ Razor isn’t just about rejecting bad arguments—it’s about challenging assumptions, refining our thinking, and fostering innovation.

 

Hanlon’s Razor: Choose Problem-Solving Over Blame

“Never attribute to malice that which is adequately explained by stupidity.”

Hanlon’s Razor is a powerful tool for diffusing conflict and avoiding paranoia. When something goes wrong, it’s easy to assume someone deliberately caused harm—but more often than not, the real cause is incompetence, oversight, or miscommunication.

 

This razor is especially useful in workplaces, relationships, and high-stakes decisions because it shifts the focus from blame to solutions. Instead of assuming bad intent, it encourages us to look for the underlying reasons and address the real issue.

 

How to Apply Hanlon’s Razor:

When someone makes a mistake, ask: "Could this be an accident rather than intentional harm?"
Before escalating a conflict, consider whether it was carelessness, not malice.
Focus on fixing problems rather than assuming the worst about people’s motives.

 

Example:
Your manager forgets to invite you to a meeting. Instead of assuming they are deliberately excluding you, Hanlon’s Razor suggests considering: "Did they simply forget?" Addressing the mistake directly prevents unnecessary resentment.

 

The Reality Check:

Of course, malice does exist. Some people do act out of cruelty or selfishness. Hanlon’s Razor doesn’t deny this—it simply reminds us that the odds favour human error over deliberate harm. It’s not impossible that someone is being malicious; it’s just less likely.

 

Key Takeaway:
By assuming incompetence before malice, Hanlon’s Razor makes life less stressful, prevents unnecessary conflict, and fosters a culture of problem-solving rather than blame.

 

Occam’s Razor: The Power of Simplicity

“Entities should not be multiplied beyond necessity.”
(Put simply: The simplest explanation is usually the best one.)

Occam’s Razor is a fundamental tool for cutting through unnecessary complexity. It holds that when multiple explanations exist, the one with the fewest assumptions is most likely correct.

This principle is invaluable for decision-making, problem-solving, and communication because complexity often creates more opportunities for error. By favouring simplicity, Occam’s Razor promotes clarity, efficiency, and practical thinking.

 

How to Apply Occam’s Razor:

When facing a problem, start with the simplest explanation before considering complex ones.
If two theories explain something equally well, choose the one with fewer assumptions.
Avoid overcomplicating situations when an easy answer is available.

 

Example:
Your WiFi stops working. Possible explanations:
1️⃣ A cyber-attack from an international hacking group targeting your specific device.
2️⃣ Your modem needs to be reset.

Occam’s Razor suggests option 2 is far more likely. While the hacking scenario isn’t impossible, it requires far more assumptions than a simple technical glitch.

 

Occam’s Razor and the Lotus Principle

Occam’s Razor aligns with the Lotus Principle: “Simplify and add lightness.” Unnecessary complexity slows us down, whether in problem-solving, engineering, or decision-making. Occam’s Razor encourages us to seek elegant, efficient solutions instead of getting lost in overcomplication.

Key Takeaway:
Occam’s Razor isn’t about rejecting complexity outright—it’s about avoiding unnecessary complexity. The simplest explanation may not always be correct, but it’s usually the best starting point.

 

Sharpen Your Thinking with Razors

🧠 Hitchens' Razor – Question assumptions. Demand evidence.
🧠 Hanlon’s Razor – Assume incompetence before malice. Solve problems, don’t blame.
🧠 Occam’s Razor – Simplify. Avoid unnecessary complexity.

 

These three razors aren’t just intellectual exercises—they are practical tools for clear thinking, better communication, and smarter decision-making.

 

Which of these techniques do you think would be most useful in your thinking life? Have you unknowingly applied one before?  Send me a message and let me know!

This is your opportunity to start the year with clarity and purpose. Don’t wait!

Get The Clarity Blueprint – Your 2025 Reset -- Only $27 for a Limited Time!

Boost Your Thinking!

Sign up to receive my free email series, 5 Mental Models to Transform Your Thinking Today, and start making better decisions, solving problems, and unlocking clarity.

We hate SPAM. We will never sell your information, for any reason.