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Quote by Upton Sinclair

“I have not only found good health, but perfect health; I have found a new state of being, a potentiality of life; a sense of lightness and cleanness and joyfulness, such as I did not know could exist in the human body.”

Quote by Upton Sinclair

Book:The Fasting Cure
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The Fasting Cure

This book delves into the historical and contemporary practices of fasting as a therapeutic tool, examining its potential benefits and scientific backing. more

Author

Upton Sinclair
Upton Sinclair

Upton Sinclair was an American author, journalist, and political activist who became one of the most influential social critics of the early 20th century. His 1906 novel "The Jungle," which exposed the horrific conditions of the Chicago meatpacking industry, caused public outrage and directly led to the passage of the Pure Food and Drug Act. Sinclair wrote over 90 books throughout his life and won the Pulitzer Prize for Fiction in 1943 for "Dragon's Teeth." A committed socialist, he ran for governor of California and became a prominent voice for progressive reform in American society. more

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“Our design, not respecting arts, but philosophy, and our subject, not manual, but natural powers, we consider chiefly those things which relate to gravity, levity, elastic force, the resistance of fluids, and the like forces, whether attractive or impulsive; and therefore we offer this work as mathematical principles of philosophy; for all the difficulty of philosophy seems to consist in this from the phenomena of motions to investigate the forces of nature, and then from these forces to demonstrate the other phenomena.”

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Book:Newton's Principia: The Mathematical Principles of Natural Philosophy
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“Do not several sorts of Rays make Vibrations of several bignesses, which according to their bigness excite Sensations of several Colours, much after the manner that the Vibrations of the Air, according to their several bignesses excite Sensations of several Sounds? And particularly do not the most refrangible Rays excite the shortest Vibrations for making a Sensation of deep violet, the least refrangible the largest form making a Sensation of deep red, and several intermediate sorts of Rays, Vibrations of several intermediate bignesses to make Sensations of several intemediate Colours?”

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Author:Isaac Newton
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“Doth not this Æthereal Medium in passing out of Water, Glass, Crystal, and other compact and dense Bodies into empty Spaces, grow denser and denser by degrees, and by that means refract the Rays of Light not in a point, but by bending them gradually in curve Lines? And doth not the gradual condensation of this Medium extend to some distance from the Bodies, and thereby cause the Inflexions of the Rays of Light, which pass by the edges of dense Bodies, at some distance from the Bodies?”

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Book:Opticks:: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of Light
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“As Attraction is stronger in small Magnets than in great ones in proportion to their Bulk, and Gravity is greater in the Surfaces of small Planets than in those of great ones in proportion to their bulk, and small Bodies are agitated much more by electric attraction than great ones; so the smallness of the Rays of Light may contribute very much to the power of the Agent by which they are refracted.”

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Book:Opticks: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of Light. ...
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“What is there in places empty of matter? and Whence is it that the sun and planets gravitate toward one another without dense matter between them? Whence is it that Nature doth nothing in vain? and Whence arises all that order and beauty which we see in the world? To what end are comets? and Whence is it that planets move all one and the same way in orbs concentrick, while comets move all manner of ways in orbs very excentrick? and What hinders the fixed stars from falling upon one another?”

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Author:Isaac Newton
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