“The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.”

— Isaac Newton , book Philosophiae Naturalis Principia Mathematica

Laws of Motion, II
Philosophiae Naturalis Principia Mathematica (1687)

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Isaac Newton 171

British physicist and mathematician and founder of modern c… 1643–1727

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“Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.”

Isaac Newton book Philosophiae Naturalis Principia Mathematica

Laws of Motion, I
Philosophiae Naturalis Principia Mathematica (1687)

“Whenever he saw the sea, or a fire, he fell silent, impressed by their elemental force.”

Paulo Coelho book The Alchemist

Source: The Alchemist

“What Mathematicians Chiefly consider in Motion is the Mode of Lation or Manner of bearing, and the Quantity of the motive Force. …But because the Quantity of motive Force cannot be known without Time, we must say something concerning its Nature.”

Isaac Barrow (1630–1677) English Christian theologian, and mathematician

Geometrical Lectures (1735)

“As the pattern of events is unaltered by motion, the mechanism must be the same when the electron is in motion as when it is at rest. But experiment shows that an electron in motion exerts additional forces which are not the same for all directions in space; if we picture this electron as moving head-foremost through space, these forces surround it like a belt around its waist.”

James Jeans (1877–1946) British mathematician and astronomer

Physics and Philosophy (1942)

“In all living nature (and perhaps also in that which we consider as dead) love is the motive force which drives the creative activity in the most diverse directions.”

P. D. Ouspensky book Tertium Organum

Tertium Organum (1922)
Context: Generally speaking, the significance of the indirect results may very often be of more importance than the significance of direct ones. And since we are able to trace how the energy of love transforms itself into instincts, ideas, creative forces on different planes of life; into symbols of art, song, music, poetry; so can we easily imagine how the same energy may transform itself into a higher order of intuition, into a higher consciousness which will reveal to us a marvelous and mysterious world.
In all living nature (and perhaps also in that which we consider as dead) love is the motive force which drives the creative activity in the most diverse directions.

“Approaching it in one way, I see no essential difference between a line one calls 'abstract' and a 'fish'. But rather an essential likeness. This isolated line and the isolated fish alike are living beings with forces peculiar to them, though latent. They are forces of expression for these beings and of expression on human beings, because each has an impressive 'look' which manifests itself by its expression. But the voice of these latent forces is faint and limited. It is the environment of the line and the fish that brings about a miracle: the latent forces awaken, the expression becomes radiant… The environment is the composition. The composition is the organized sum of the interior functions (expressions) of every part of the work.”

Wassily Kandinsky (1866–1944) Russian painter

Quote of Kandinsky, in Paris, March 1935; as cited in Artists on Art – from the 14th – 20th centuries, ed. by Robert Goldwater and Marco Treves; Pantheon Books, 1972, London, p. 451
1930 - 1944

“How can art be realized? Out of volumes, motion, spaces bounded by the great space, the universe. Out of different masses, tight, heavy, middling - indicated by variations of size or color - directional line - vectors which represent speeds, velocities, accelerations, forces, etc...”

Alexander Calder (1898–1976) American artist

these directions making between them meaningful angles, and senses, together defining one big conclusion or many. Spaces, volumes, suggested by the smallest means in contrast to their mass, or even including them, juxtaposed, pierced by vectors, crossed by speeds. Nothing at all of this is fixed. Each element able to move, to stir, to oscillate, to come and go in its relationships with the other elements in its universe. It must not be just a fleeting moment but a physical bond between the varying events in life. Not extractions, but abstractions. Abstractions that are like nothing in life except in their manner of reacting.
1930s, How Can Art Be Realized? (1932)

“What I liked about Greece was […] the impressive force of the language itself, unconfined by dictionaries, spoken in the streets, in cafés and in the country.”

Peter Levi (1931–2000) writer, archaeologist, sometime Jesuit priest

Peter Levi. The Hill of Kronos. 1980.

“Each sent pressure can be regarded as arousing in the focal person a psychological force of some magnitude and direction. Such forces will be called role forces. This is not to say that these motivational role forces are identical in magnitude and direction with the role pressures which evoked them. Especially when role pressures are seen as illegitimate or coercive, they may arouse strong resistance forces which lead to outcomes different from or even opposite to the expected behavior. Pressures to increase production rates sometimes result in slowdowns. Moreover, every person is subject to a variety of psychological forces in addition to those stimulated by pressures from his role set in the work situation. Role pressures are thus only a partial determinant of behavior on the job. In addition, to the motivational forces aroused by role pressures, there are important internal sources of motivation for role performance. One of these stems from the intrinsic satisfaction derived from the content of the role.”

Robert L. Kahn (1918–2019) American psychologist

Source: Organizational stress: Studies in role conflict and ambiguity, 1964, p. 16-17

“One of the most happiest and most convincing political arguments ever made in this City… No man ever made such an impression on his first appeal to a New-York audience.”

Horace Greeley (1811–1872) American politician and publisher

As quoted in New York Tribune (28 February 1860).
1860s

“The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.”

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Isaac Newton 171

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