“The followers of Heraclitus insisted the Immortal Principle was change and motion. But Parmenides' disciple, Zeno, proved through a series of paradoxes that any perception of motion and change is illusory. Reality had to be motionless.
The resolution of the arguments of the Cosmologists came from a new direction entirely, from a group Phædrus seemed to feel were early humanists. They were teachers, but what they sought to teach was not principles, but beliefs of men. Their object was not any single absolute truth, but the improvement of men. All principles, all truths, are relative, they said. "Man is the measure of all things."”

— Robert M. Pirsig , book Zen and the Art of Motorcycle Maintenance

These were the famous teachers of "wisdom," the Sophists of ancient Greece.
Source: Zen and the Art of Motorcycle Maintenance (1974), Ch. 29

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American writer and philosopher 1928–2017

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“The Immortal Principle was first called water by Thales. Anaximenes called it air. The Pythagoreans called it number and were thus the first to see the Immortal Principle as something nonmaterial. Heraclitus called the Immortal Principle fire and introduced change as part of the Principle.”

Robert M. Pirsig book Zen and the Art of Motorcycle Maintenance

Source: Zen and the Art of Motorcycle Maintenance (1974), Ch. 29
Context: The Immortal Principle was first called water by Thales. Anaximenes called it air. The Pythagoreans called it number and were thus the first to see the Immortal Principle as something nonmaterial. Heraclitus called the Immortal Principle fire and introduced change as part of the Principle. He said the world exists as a conflict and tension of opposites. He said there is a One and there is a Many and the One is the universal law which is immanent in all things. Anaxagoras was the first to identify the One as nous, meaning "mind."
Parmenides made it clear for the first time that the Immortal Principle, the One, Truth, God, is separate from appearance and from opinion, and the importance of this separation and its effect upon subsequent history cannot be overstated. It's here that the classic mind, for the first time, took leave of its romantic origins and said, "The Good and the True are not necessarily the same," and goes its separate way. Anaxagoras and Parmenides had a listener named Socrates who carried their ideas into full fruition.

“[A]ll things as subsist from nature appear to contain in themselves a principle of motion and permanency; some according to place, others according to increase and diminuation; and others according to change in quality.”

Aristotle book Physics

Book II, Ch. I, p. 88.
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“Plato’s metaphysics grew out of that of Parmenides, together with a strong feel for Heraclitus’s account of the physical world as a world of incessant change. His ethics were deeply inspired by Socrates, but his views on the soul also pick up on motifs that emerge in Pythagoras.”

Catherine Rowett (1956) Professor of Philosophy at the University of East Anglia (born 1956)

Source: Presocratic Philosophy: A Very Short Introduction (2004), Ch. 4 : Reality and appearance: more adventures in metaphysics

“Motion study is the science of eliminating wastefulness resulting from using unnecessary, ill-directed, and inefficient motions. The aim of motion study is to find and perpetuate the scheme of least waste methods of labor.
By its use we have revolutionized several of the trades. There is probably no art or trade that cannot have its output doubled by the application of the principles of motion study.”

Frank Bunker Gilbreth, Sr. (1868–1924) American industrial engineer

Source: Primer of scientific management, 1912, p. 8

“Galileo had provided the methodology for the analysis of motions on and near the earth and had applied it successfully. Copernicus and Kepler had previously obtained the laws of motion of the planets and their satellites. …But Galileo had succeeded in deriving numerous laws from a few physical principles and… the axioms and theorems of mathematics. …The Keplerian laws …were not logically related to each other. Each was an independent inference from observations. …They seemed to be suspended in the same vacuum in which the planets moved.
Galileo's laws had the additional advantage of supplying physical insight. The first law of motion and the law that the force of graviation gives… a downward acceleration of 32 ft/sec2… explain the vertrical rise and fall of bodies, motion on slopes, and projectile motion. Kepler's laws… had no physical basis. …Kepler tried to introduce the idea of a magnetic force which the sun exerted… But he failed to related the behavior of the planets to the precise laws of planetary motion. …
The new astronomical theory was completely isolated from the theory of motion on earth. …it bothered mathematicians and scientists who believed that all the phenomena of the universe were governed by one master plan instituted by the master planner—God.”

Morris Kline (1908–1992) American mathematician

Source: Mathematics and the Physical World (1959), pp. 224-225

“There is no waste of any kind in the world that equals the waste from needless, ill-directed and ineffective motions, and their resulting unnecessary fatigue.”

Frank Bunker Gilbreth, Sr. (1868–1924) American industrial engineer

Source: "Motion Study as an Increase of National Wealth," 1915, p. 96

“It is quite true that, to the best of my judgment, the argumentation which applies to brutes holds equally good of men; and, therefore, that all states of consciousness in us, as in them, are immediately caused by molecular changes of the brain-substance. It seems to me that in men, as in brutes, there is no proof that any state of consciousness is the cause of change in the motion of the matter of the organism. If these positions are well based, it follows that our mental conditions are simply the symbols in consciousness of the changes which takes place automatically in the organism; and that, to take an extreme illustration, the feeling we call volition is not the cause of a voluntary act, but the symbol of that state of the brain which is the immediate cause of that act.”

Thomas Henry Huxley (1825–1895) English biologist and comparative anatomist

1870s, On the Hypothesis that Animals are Automata, and Its History (1874)

“What Americans were really objecting to had nothing to do with constitutional principles. their objection was not to Parliament's constitutional right to levy certain kinds of taxes as opposed to others, but to its effort to collect any.”

Bernard Bailyn book The Ideological Origins of the American Revolution

Source: The Ideological Origins of the American Revolution (1967), Chapter V, TRANSFORMATION, p. 218.

“Do not teach principles that you do not practice. Resolve any contradiction between your direct experience and the words of the wise. Only then may you teach those principles.”

Govinda Bhagavatpada Indian philosopher advaita vendatna

The Himalayan Masters: A Living Tradition (2002)

“By this way of Analysis we may proceed from Compounds to Ingredients, and from Motions to the Forces producing them; and in general, from Effects to their Causes, and from particular Causes to more general ones, till the Argument end in the most general. This is the Method of Analysis: and the Synthesis consists in assuming the Causes discover'd, and establish'd as Principles, and by them explaining the Phænomena proceeding from them, and proving the Explanations.”

Isaac Newton book Opticks, or a Treatise of the Reflections, Refractions, Inflections and Colours of Light

Query 31
Opticks (1704)

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