The Hermetic Principles are a set of seven philosophical axioms, considered to be universal laws, that form the foundation of Hermeticism. This esoteric tradition is attributed to the teachings of Hermes Trismegistus, a syncretic figure combining the Greek god Hermes and the Egyptian god Thoth. The principles were most famously compiled and popularized in the 1908 book The Kybalion, authored by the “Three Initiates.”
The seven principles are as follows:
- The Principle of Mentalism: “The All is Mind; The Universe is Mental.” This principle posits that everything that exists is a creation of a single, infinite, living Mind. The universe itself is a mental creation, and we exist as thoughts within that Mind. As such, the mind has the power to create, change, and manifest reality.
- The Principle of Correspondence: “As above, so below; as below, so above.” This principle expresses the idea that there are consistent patterns and connections between the different planes of existence (physical, mental, and spiritual). The laws and phenomena of one plane are reflected or correspond to the laws and phenomena of the others. By understanding one plane, you can understand others.
- The Principle of Vibration: “Nothing rests; everything moves; everything vibrates.” This principle states that everything in the universe is in constant motion and vibrates at its own specific frequency. This applies not only to physical matter (like atoms and molecules) but also to energy, thoughts, emotions, and spiritual states. Different rates of vibration differentiate the various forms of existence.
- The Principle of Polarity: “Everything is Dual; everything has poles; everything has its pair of opposites; like and unlike are the same; opposites are identical in nature, but different in degree; extremes meet; all truths are but half-truths; all paradoxes may be reconciled.” This principle explains that everything has two opposing poles or aspects, which are really just two extremes of the same thing. For example, hot and cold are not separate entities but varying degrees of temperature. By understanding this, one can learn to transform one state into another by changing its vibration or polarity.
- The Principle of Rhythm: “Everything flows, out and in; everything has its tides; all things rise and fall; the pendulum-swing manifests in everything; the measure of the swing to the right is the measure of the swing to the left; rhythm compensates.” This principle describes the constant, rhythmic flow of life, energy, and events. There is a natural ebb and flow, a rise and fall, in all aspects of existence. By understanding this rhythm, one can learn to neutralize its effects to some extent, rather than being carried away by them.
- The Principle of Cause and Effect: “Every Cause has its Effect; every Effect has its Cause; everything happens according to Law; Chance is but a name for Law not recognized; there are many planes of causation, but nothing escapes the Law.” This principle is the classic concept of causality. Nothing happens by chance; every event is the result of a preceding cause, and every cause will produce a corresponding effect. By understanding this, one can become a conscious cause rather than a passive effect of circumstances.
- The Principle of Gender: “Gender is in everything; everything has its Masculine and Feminine Principles; Gender manifests on all planes.” This principle is not limited to biological sex. It describes the creative, generative nature of the universe, which is expressed through two principles: the Masculine (active, projective, outward-moving) and the Feminine (receptive, creative, inward-moving). These two principles are present in all things and are necessary for creation and manifestation on any plane.
These principles are intended to be a framework for understanding the universe and one’s place within it, serving as a guide for personal and spiritual development.
The Hermetic Principles are a set of philosophical and mystical ideas associated with Hermeticism, the spiritual-philosophical tradition attributed to Hermes Trismegistus. They describe the relationship between mind, consciousness, nature, and the cosmos, especially the idea that the human being—the microcosm—reflects the greater universe—the macrocosm.
There are two related things people often mean by “Hermetic Principles.” Classical Hermeticism is found in works such as the Corpus Hermeticum and Emerald Tablet. The familiar Seven Hermetic Principles, however, come specifically from the 1908 book The Kybalion, rather than from an ancient surviving Hermetic text.
The Seven Hermetic Principles
| Principle | Basic idea |
|---|---|
| 1. Mentalism | “The All is Mind”; reality is fundamentally related to consciousness or mind. |
| 2. Correspondence | Patterns repeat across different levels of existence: “As above, so below.” |
| 3. Vibration | Everything exists in Motion and Transformation; nothing is absolutely static. |
| 4. Polarity | Opposites are extremes of a continuum rather than completely separate things. |
| 5. Rhythm | Nature and experience move through Cycles, oscillations, rises and falls. |
| 6. Cause and Effect | Events arise through chains of Causes and Consequences rather than pure randomness. |
| 7. Gender | The Kybalion describes complementary Generative/Receptive principles operating throughout creation. |
1. The Principle of Mentalism
“The All is Mind; the Universe is Mental.”
This is the foundation of the Kybalion’s system. It proposes that behind physical manifestation lies a fundamental mental or consciousness-like reality.
Rather than imagining consciousness as merely something produced inside an otherwise dead universe, Hermetic thought tends to reverse the relationship: mind participates in the structure of reality itself.
This gives us a basic progression:
The All → Mind → Idea → Manifestation
In practical occult philosophy, this principle is connected with visualization, concentration, meditation, intention, and mental discipline.
It should not necessarily be interpreted as “whatever I think instantly becomes physically real.” It is better understood as a metaphysical claim about the relationship between mind and manifestation.
2. The Principle of Correspondence
“As above, so below; as below, so above.”
Probably the most famous Hermetic concept.
Reality is understood as existing on multiple interconnected levels, and similar patterns may appear on different scales:
Macrocosm ↔ Microcosm
Cosmos ↔ Human being
Spirit ↔ Mind ↔ Body
The human being can therefore be regarded as a miniature reflection of the cosmos.
This idea became enormously important to astrology, alchemy, Renaissance magic, and Western esotericism.
For example, traditional occult correspondences might associate:
Sun → Gold → Heart → Vitality → Kingship
Different things belong to the same symbolic pattern even though they exist at different levels of reality.
3. The Principle of Vibration
“Nothing rests; everything moves; everything vibrates.”
Everything is understood as existing in some form of motion or change.
The Kybalion extends this beyond physical vibration into metaphysical categories. Matter, energy, mind, emotion, and spirit are conceived as different states or degrees within an enormous spectrum.
Symbolically:
Matter → Energy → Mind → Spirit
The higher and subtler the state, the more refined its “vibration.”
This is where modern New Age language about “raising your vibration” partly intersects with Hermetic-influenced thought, although modern interpretations frequently go much further than historical Hermetic texts do.
4. The Principle of Polarity
“Everything is dual.”
Apparently opposite things can be understood as different degrees of the same underlying phenomenon.
Consider:
Hot ←———— Temperature ————→ Cold
There isn’t necessarily an absolute boundary where “hot” suddenly becomes “cold.” They represent relative positions along one continuum.
The Kybalion applies this concept psychologically as well:
Love ↔ Hate
Courage ↔ Fear
Light ↔ Darkness
Attraction ↔ Repulsion
The esoteric implication is particularly important: if two psychological states are poles of the same continuum, consciousness can potentially move from one pole toward another.
The Kybalion calls this kind of transformation mental transmutation.
5. The Principle of Rhythm
“Everything flows, out and in.”
Existence proceeds through cycles.
Expansion → Peak → Contraction → Trough → Expansion
You can see analogous patterns in:
- day and night
- waking and sleeping
- seasons
- lunar cycles
- birth and death
- civilizations
- psychological moods
- economic expansion and contraction
Hermetic practice doesn’t necessarily promise escape from rhythm. Instead, the practitioner attempts to recognize cycles without being unconsciously dominated by them.
That makes rhythm closely related to the development of equilibrium.
6. The Principle of Cause and Effect
“Every cause has its effect; every effect has its cause.”
Things do not simply happen in isolation. Events exist within networks of causes.
Symbolically:
Cause → Effect → New Cause → New Effect → …
The Hermetic practitioner therefore attempts to become increasingly conscious and intentional, rather than merely reacting to circumstances.
The Kybalion expresses this dramatically as becoming more of a cause and less of an effect.
This doesn’t mean complete control over everything that happens to someone. Rather, it represents increasing mastery over one’s choices, reactions, habits, and attention.
7. The Principle of Gender
“Gender is in everything.”
This principle is frequently misunderstood.
In the Kybalion, “gender” isn’t limited to biological male and female. It describes complementary generative and receptive forces.
One way of expressing the idea is:
Projective ↔ Receptive
Initiating ↔ Formative
Seed ↔ Womb
Will ↔ Imagination
Creation occurs through their interaction.
This resembles—but isn’t identical to—other traditions’ complementary principles, such as Yin and Yang, Shiva and Shakti, or Sulfur and Mercury in alchemical symbolism.
How the seven principles work together
The system becomes more interesting when they’re treated as one model rather than seven unrelated rules:
MENTALISM
Reality ultimately participates in Mind.
↓
CORRESPONDENCE
The same patterns appear across different levels.
↓
VIBRATION
Those levels exist in differing states of motion or manifestation.
↓
POLARITY
Differences often appear as opposite ends of continua.
↓
RHYTHM
Movement occurs between states and through cycles.
↓
CAUSE & EFFECT
Those movements occur through relationships of causation.
↓
GENDER
Complementary forces interact to generate new manifestations.
Put very simply:
Mind manifests patterns; patterns exist at different levels; those levels move and change; change produces polarities and cycles; cycles unfold through causation; and complementary forces generate further manifestation.
The older Hermetic idea behind them
There is an important historical distinction. Hermeticism itself is much older than the Seven Principles. The Corpus Hermeticum emerged in the Greco-Egyptian world during roughly the first centuries CE, whereas The Kybalion appeared in 1908.
Classical Hermetic writings emphasize somewhat different themes: God/the One, Nous or Divine Mind, creation, humanity as microcosm, spiritual rebirth, purification, divine knowledge (gnosis), and the soul’s return toward its divine source.
And the famous formulation associated with the Emerald Tablet—
“That which is above is like that which is below…”
—is much closer to historically attested Hermetic tradition than the entire seven-principle framework.
So if you’re studying Hermeticism seriously, think of it this way:
Ancient Hermeticism → philosophical/mystical tradition
Emerald Tablet → alchemical Hermetic tradition and correspondence
The Kybalion → modern seven-principle interpretation of Hermetic philosophy
Given the connections among Hermeticism, alchemy, astrology, and Qabalah, the Principle of Correspondence is especially important: it is essentially the philosophical machinery behind the elaborate tables linking planets, metals, colors, elements, zodiac signs, Sephiroth, divine names, and parts of the human being in later Western occultism.
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