THEUNIS
DUMINY

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About Theunis Duminy

Hey. Welcome here. I'm Theunis.


When people engage with my work, I want them to feel that they are in good hands. Not because I am entitled to it, but because I design and build to earn that certainty.


Like walking into a beautiful house where every detail serves a purpose.


You'll find me drawn to challenges that require both analytical rigour and imaginative thinking. I'm fascinated by spaces where exceptional minds can work together without compromising individual excellence.


For me, good is the enemy of great. Not perfectionism, but the recognition that if something's worth creating, why settle for mediocrity?


The most rewarding work emerges from that same purposeful attention to detail that makes you feel, immediately upon entering, that you're exactly where you need to be.

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Thoughts; writing

The Doorknob Principle

The Doorknob Principle

Theunis Duminy
5 mins read
Decision MakingEthics

What can doorknob placement teach us about relationships? The Doorknob Principle reveals why bending towards those who can't reach towards you transforms how we navigate compromise.

Stop Looking, Self-Help Cannot Save You

Stop Looking, Self-Help Cannot Save You

Theunis Duminy
12 mins read
PsychologySelf AwarenessDecision Making

The $48 billion self-help industry thrives on your endless pursuit of answers. Ditch endless advice hunts, reclaim your agency, and finally do the work that transforms your life.

Beyond Good Intentions

Beyond Good Intentions

Theunis Duminy
12 mins read
PhilosophyDecision MakingEthics

Do good intentions excuse bad outcomes? This essay examines the ethics of intention vs. consequence, invoking Kant and urging self-accountability.

What 2024 Taught Me

What 2024 Taught Me

Theunis Duminy
10 mins read
ReflectionsSelf AwarenessDecision Making

My key lessons from 2024. Trust your gut, embrace problems, build antifragility, pick your battles wisely, and conquer fear as the mind-killer.

Shaving Our Thinking with Philosophical Razors

Shaving Our Thinking with Philosophical Razors

Theunis Duminy
8 mins read
PhilosophyDecision MakingMental Models

Cut complexity with philosophical razors. Occam's, Hanlon's, Sagan's and more. Master these mental models to sharpen your decision-making and certainty.

The Untenability of Trusting Your Memory

The Untenability of Trusting Your Memory

Theunis Duminy
11 mins read
PsychologyMemorySelf Awareness

Memories fade fast. Discover the science of forgetting, leverage journaling tips, and embrace impermanence to capture life's most precious moments.