“But you may perhaps wonder why I explain Time without Motion, and will say, does not Time imply Motion? I answer no, as to its absolute and intrinsic Nature; any more than it does Rest. The Quantity of Time, in itself, depends not on either of them; for whether Things move on, or stand still; whether we sleep or wake, Time flows perpetually with an equal Tenor.”

— Isaac Barrow

p, 125
Geometrical Lectures (1735)

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Isaac Barrow 20

English Christian theologian, and mathematician 1630–1677

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“As Magnitudes themselves are absolute Quantums Independent on all Kinds of Measure, tho' indeed we cannot tell what their Quantify is, unless we measure them; so Time is likewise a Quantum in itself, tho' in Order to find the Quantity of it, we are obliged to call in Motion to our Assistance as a Measure… and thus Time as measurable signifies Motion; for if all Things were to continue at Rest, it would be impossible to find out by any Method whatsoever how much Time has elaps'd; and the several Ages wou'd roll on imperceptibly and undistinguish'd. Do I say we shou'd not perceive how Time flows? No indeed, nor any Thing else, but remain like Stocks or Stones in a continual Insensibility. We perceive nothing, unless so far as we may be instigated by some Change affecting the Senses, or that our Souls are mov'd and excited by the internal Operation of the Mind. We esteem the Quantities and different Degrees of Things according to the Extension or Intension of Motions striking upon us either interiorly or exteriorly. So that the Quantity of Time so far as we can observe; depends upon the Extension of Motion.”

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

p, 125
Geometrical Lectures (1735)

“Momentum may be roughly described as quantity motion. A body moving at a speed of say twenty an hour, has a certain quantity of motion. If the body goes forty miles an hour there is twice as motion; or if twice as much matter goes twenty miles hour, there is also twice as much motion. Momentum is measured by the quantity of matter moving at a rate mass \times velocity.”

William Kingdon Clifford (1845–1879) English mathematician and philosopher

"Energy and Force" (Mar 28, 1873)

“As a Line, I say, is looked upon to be the Trace of a Point moving forward, being in some sort divisible by a Point, and may be divided by Motion one Way, viz. as to Length; so Time may be conceiv'd as the Trace of a Moment continually flowing, having some Kind of Divisibility from an Instant, and from a successive Flux, inasmuch as it can be divided some how or other. And like as the Quantity of a Line consists of but one Length following the Motion; so the Quantity of Time pursues but one Succession stretched out as it were in Length, which the Length of the Space moved over shews and determines. We therefore shall always express Time by a right Line; first, indeed, taken or laid down at Pleasure, but whose Parts will exactly answer to the proportionable Parts of Time, as its Points do to the respective Instants of Time, and will aptly serve to represent them. Thus much for Time.”

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

p, 125
Geometrical Lectures (1735)

“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)

“Now pray tell me what Time is? …Time (to speak abstractedly) is the continuance of any Thing in its own Being. But some Things continue longer in their Beings than others… Time absolutely… is Quantity, as admitting in some Manner the chief Affections of Quantity: Equality, Inequality, and Proportion…”

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

Geometrical Lectures (1735)

“Whether we wake or we sleep,
Whether we carol or weep,
The Sun with his Planets in chime,
Marketh the going of Time.”

Edward FitzGerald (1809–1883) English poet and writer

Chronomoros. In Letters and Literary Remains of Edward FitzGerald (1889), pg. 461.

“Some people skip through life; some people are dragged through it. I sometimes wonder whether we are moving through time or time is moving through us.”

Donald Miller book Blue Like Jazz: nonreligious thoughts on Christian spirituality

Blue Like Jazz (2003, Nelson Books)

“This is the stillness behind motion, when time itself stops; the center is also the circumference of all.”

Starhawk (1951) American author, activist and Neopagan

The Spiral Dance: A Rebirth of the Ancient Religion of the Goddess (1979)
Context: This is the stillness behind motion, when time itself stops; the center is also the circumference of all. We are awake in the night. We turn the Wheel to bring the light. We call the sun from the womb of night. Blessed Be!

“But perhaps you may ask, whether Time was not before the World was created? And if Time does not flow in the Extramundane Space, where nothing is: A mere Vacuum? I answer, that since there was Space before the World was created, and that there now is an Extramundane, infinite Space, (where God is present)… Time existed before the World began, and does exist together with the World in the Extramundane Space, because 'tis possible that some Thing might have existed long before the World was made; and there may now be something in the Extramundane Space, capable of such a Continuance: Some Sun might have given Light long before; and at present this, or some other like it, may diffuse Light thro' Imaginary Spaces. Time therefore does not imply an actual Existence, but only the Capacity or Possibility of the Continuance of Existence; just as Space expresses the Capacity of a Magnitude contain'd in it.”

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

p, 125
Geometrical Lectures (1735)

“There is a time for hello and a time for good-bye. It's why the act of burying thing seems natural, but the act of digging them up does not.”

Mitch Albom (1958) American author

Source: The First Phone Call from Heaven

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Isaac Barrow 20

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