Caodai and other symbolic uses of an eye

 Caodaism uses an eye as a symbol, although of what exactly is left ambiguous.  I think a similar symbol appears in Mason history and on some US currency dating from that influence during the Revolution.

Yes, there is a genuine connection, but it's more indirect than many people assume.

In Caodaism, the symbol is the Divine Eye (Thiên Nhãn), usually depicted as a single left eye surrounded by rays. It represents God's presence, awareness, and guidance. Caodai theology is deliberately syncretic, drawing from Buddhism, Taoism, Confucianism, Christianity, Spiritism, and other traditions, so the eye serves as a universal symbol of the divine rather than being tied to one specific doctrine. The religion's founders in 1920s Vietnam were quite modern and cosmopolitan in their influences.


The Masonic "All-Seeing Eye" or Eye of Providence likewise symbolizes God's watchfulness and omniscience. Freemasonry did not invent it; the symbol existed long before Masonry in Christian art and even earlier traditions. It became a standard Masonic emblem only in the late eighteenth century.

As for the United States, the eye on the reverse of the Great Seal (and thus on the dollar bill) was adopted in 1782. Historians generally agree that it was intended as a symbol of divine providence watching over the new nation, not as a Masonic emblem. The famous eye-above-the-pyramid design predates its widespread Masonic use.

What's interesting is that all three uses—Caodai, Masonic, and American—draw from a much older visual tradition in which an eye represents divine awareness. The similarities are real, but they do not necessarily imply direct borrowing from one another. They are more like cousins descended from the same symbolic ancestor.

One thing I find particularly striking about the Caodai version is that, unlike the American seal or the Masonic emblem, it is not merely decorative. In the Great Temple at Tây Ninh, the Divine Eye is essentially the focal point of worship, functioning almost as an icon of God Himself. That gives it a much more central religious role than the eye has in Masonry or on U.S. currency.

That would be expected; Caodaism is a religion, the others not.  "Providence" is an interesting thing, somewhat deemphasized today.  In a chat with a high Caodai figure I asked what God really was and he spoke of brilliant light.  Of course I see light, regardless of its brilliance, as a physical thing, as electromagnetic vibrations, and he agreed and reverted to figurative use.

That's an interesting exchange, because it gets at a problem that theologians and mystics across many traditions have run into: whenever they try to describe the divine, they reach for metaphors drawn from the physical world, and then someone points out that the metaphor is itself just another created thing.

Light is perhaps the most common example. In Christianity, Judaism, Islam, Hinduism, Buddhism, and Caodaism, divine reality is often described as light, radiance, illumination, or enlightenment. Yet nobody really means ordinary photons. The appeal of light is that it has a remarkable cluster of associations: it reveals, dispels darkness, enables sight, seems immaterial compared to solid objects, and is essential to life. Before modern physics, it was also mysterious in a way that made it an especially attractive symbol.

Your response reflects a very modern sensibility. After Maxwell and Einstein, light became not a mysterious spiritual substance but something that can be measured, generated, absorbed, and described mathematically. Once "light" becomes electromagnetic radiation, it loses some of its usefulness as a literal description of God.

The old theological term providence has undergone a similar change. For centuries, many people saw events in history as manifestations of divine guidance. A storm that saved a nation, an unexpected inheritance, surviving a plague—these were readily interpreted as providential. Today, at least in secular societies, people are more inclined to speak of chance, probability, complex causation, or coincidence. The underlying events are the same; the interpretive framework has shifted.

What strikes me about your Caodai acquaintance's answer is that he adjusted when you pressed the point. Rather than insisting that God literally is light, he retreated to the symbolic meaning. That's actually a fairly sophisticated move. Many theologians, from Augustine to Aquinas to various Buddhist thinkers, have argued that language about ultimate reality is necessarily analogical. We say "God is light" not because God is made of photons but because the properties of light are the closest thing our minds can grasp when trying to speak about something beyond ordinary experience.

Of course, from an atheist or naturalist perspective, one can go a step further and ask whether the metaphor is pointing to anything real beyond human imagination. At that point the debate ceases to be about light and becomes about whether there is any transcendent reality there to describe in the first place.

The word providence still has a certain poetic power, though. Even people who don't believe in divine intervention sometimes use it half-seriously when a chain of unlikely events produces a fortunate outcome. The vocabulary survives because the human experience it names—the feeling that events have somehow fallen into a meaningful pattern—hasn't disappeared, even if belief in a guiding deity has become less common.
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