Know Thyself: Ancient Greek Personal Development

Uncovering Your Personality Superpowers: From Ancient Greek Wisdom to Modern Insights


In ancient days, the phrase “Know Thyself” inspired individuals to seek deeper self-awareness. The ancient Greeks prominently emphasized the idea of knowing oneself, best captured in the famous phrase “gnōthi seautón” (know thyself). This was important enough to become inscribed at the Temple of Apollo in Delphi, and this simple command carried deep meaning for philosophers like Socrates and Plato. To the Greeks, self-knowledge was essential not only for personal growth but for living a fulfilled life. It was an understanding that our individual talents and attributes were the very pathways to thriving in society. They believed that only by uncovering and embracing your strengths could you achieve true wisdom. Sounds like they were fans of “Authentic Behavior”!

Greek insights about temperaments and personality:

Greek philosophers like Socrates believed that understanding one’s strengths and weaknesses was the key to living a fulfilled life. But self-knowledge wasn’t just a philosophical idea; “Dr.” Hippocrates, often regarded as the father of modern medicine, took a more scientific approach with his theory of the four humors. Hippocrates proposed that our personalities were shaped by four bodily fluids (gross!!!), or humors: blood, phlegm, yellow bile, and black bile. These humors corresponded to different “temperaments”:

    • Sanguine (blood): Sociable, enthusiastic, and lively

    • Phlegmatic (phlegm): Calm, reliable, and reserved

    • Choleric (yellow bile): Ambitious, energetic, and forward-thinking

    • Melancholic (black bile): Analytical, introspective, and thoughtful

Ancient wisdom evolved for today:

While the theory of the four humors may have faded with advances in medicine, the wisdom behind understanding our individual differences lives on. In today’s world, that ancient wisdom still rings true. The ABContrast system was designed to help individuals unlock their own strengths—what we call superpowers—by contrasting their authentic likes (preferences) and dislikes (aversions). Whether it’s commanding leadership, empathetic support, or innovative problem-solving, we each possess qualities that, when recognized, fuel personal and professional success. Today, the H.E.A.D.S. types within the Authentic Behavior Contrast model serve as the modern evolution of this ancient insight. In ABContrast, the H.E.A.D.S. acronym represents five key personality types, each offering a new way to understand individual strengths:

    • Harmonic: Balanced and objective in all directions (the highly important middle groud creates 25 of 49 ABContrast pairings or types)

    • Empathic: Reserved and interpersonal, excelling in support and empathy

    • Autocratic: Forward and practical, driven to lead with decisiveness

    • Dynamic: Forward and interpersonal, excelling in engaging others

    • Static: Reserved and practical, structured and reliable

H.E.A.D.S. Pre-Employment Insights Better Hiring

How can YOU benefit and what is the process?

These five types reflect how ancient wisdom about temperaments has evolved into a modern framework for understanding people today. Just as the four humors helped the Greeks explain differences in behavior, the H.E.A.D.S. types guide us toward a deeper understanding of our unique abilities in today’s complex world. The Authentic Behavior Contrast was founded on the belief that we’re all amazing—just in different ways. Yet, many people live their lives without fully understanding their unique “superpowers,” the strengths that set them apart. This idea isn’t new; even the ancients understood the importance of self-knowledge and individual differences.

At the heart of both systems lies a timeless truth: self-knowledge unlocks potential. By understanding which H.E.A.D.S. type you align with, you gain insight into your strengths, allowing you to tap into your full power in both personal and professional settings. The journey of “Know Thyself” has evolved from ancient temples and medical theories to modern personality frameworks, but the goal remains the same—uncovering the superpowers that make each of us extraordinary. It’s about taking time to explore what makes you different—and powerful—in your own way. Like the ancient Greeks believed, uncovering these qualities leads to a deeper understanding of your purpose and allows you to harness your strengths in the areas that matter most to you.

Ready to follow in the footsteps of the ancient Greeks? The H.E.A.D.S. model is your gateway to bringing ancient wisdom into the modern era, helping you unlock your personal strengths and live a more authentic, fulfilling life. The Authentic Behavior Contrast assesses your true nature in up to six areas – thinking, social, leading, following, relationship, and teamwork. There’s much to understand, and we make it easy! The best part – it’s all online so you can begin from the comfort of home and right now is as good of a time as any!

START FOR FREE (a fun, 2-minute experience with instant results)

PREMIUM CONTENT (pathways for individuals, counselors and team leads)

CONTACT US (let’s chat about your specific needs)

LEARN EVEN MORE (our WHY US page)

How To Choose from the Top 10 Personality Tests