as-above-so-below-newtonNewton, Sir Isaac (1642-1727), English physicist, mathematician, astronomer, theologian, alchemist, natural philosopher, inventor of the infinitesimal calculus and a new theory of light and color. His monograph Philosophiæ Naturalis Principia Mathematica, published in 1687, lays the foundations for most of classical mechanics. In this work, Newton described universal gravitation and the three laws of motion, which dominated the scientific view of the physical universe for the next three centuries. Newton showed that the motions of objects on Earth and of celestial bodies are governed by the same set of natural laws. His influence served as the keystone of the scientific revolution of the 17th century.

Tis true without lying, certain and most true.
That which is below is like that which is above and that which is above is like that which is below to do the miracles of one only thing.
And as all things have been and arose from one by the meditation of one: so all things have their birth from this one thing by adaptation.

A genuine scientist well read in ancient literature, Newton was aware that Hermeticism had coined a universal truth long before his time, as can be seen in the above quotation.

The Sun is its father, the moon its mother,
The wind hath carried it in its belly, the earth its nurse.
The father of all perfection in the whole world is here.
Its force or power is entire if it be converted into earth.
Separate thou the earth from the fire, the subtle from the gross sweetly with great industry.
It ascends from the earth to the heaven and again it descends to the earth and receives the force of things superior and inferior.
By this means you shall have the glory of the whole world and thereby all obscurity shall fly from you.
Its force is above all force, for it vanquishes every subtle thing and penetrates every solid thing.
So was the world created.
From this are and do come admirable adaptations where of the means (or process) is here in this.
Hence I am called Hermes Trismegistus, having the three parts of the philosophy of the whole world.
That which I have said of the operation of the Sun is accomplished and ended.

Newton credits Hermes Trismegistus for the perception that ‘As Above so Below‘.

Further Reading:
History of As Above so Below
William Blake on As Above so Below
Upanishads on As Above so Below