This symbol takes the shape of a horizontal 8 number, and it represents the idea of eternity, the endless and unlimited. On the other hand, some scientists say that the symbol is taken from the Greek letter ω by John Wallis. The first time it was used by Wallis in 1650s. He addressed it in his book the Conic section that was published in 1655.

In math, it is representing the concept of infinity; in the 19th century, Cantor presented his studies on the infinite numbers and infinite sets. In metaphysics, the symbol represents harmony and stability; also, it means good luck and success in Chinese philosophy.