Geometry as a Branch of Physics (1949)
“[W]hereas Nature, in propriety of Speech, doth not admit more than Three (Local) Dimensions, (Length, Breadth and Thickness, in Lines, Surfaces and Solids;) it may justly seem improper to talk of a Solid (of three Dimensions) drawn into a Fourth, Fifth, Sixth, or further Dimension.
A Line drawn into a Line, shall make a Plane or Surface; this drawn into a Line, shall make a Solid. But if this Solid be drawn into a Line, or this Plane into a Plane, what shall it make? A Plano-plane? This is a Monster in Nature, and less possible than a Chimera or a Centaure. For Length, Breadth and Thickness, take up the whole of Space.”
Nor can our Fansie imagine how there should be a Fourth Local Dimension beyond these Three.
Treatise of Algebra (1685)
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John Wallis 34
English mathematician 1616–1703Related quotes

Spirit has arrived at the age of maturity...
Quote in 'Comments on the basic of concrete painting', Paris, January 1930, in 'Art Concret', April 1930, pp. 2–4
1926 – 1931

2 quotes from Kandinsky's letter to Hans Arp, November 1912; in Friedel, Wassily Kandinsky, p. 489; as cited in Negative Rhythm: Intersections Between Arp, Kandinsky, Münter, and Taeuber, Bibiana K. Obler (including transl. - Yale University Press, 2014
Kandinsky was trying to explain to Arp his state of mind when he made his sketch for 'Improvisation with Horses' https://upload.wikimedia.org/wikipedia/commons/c/ce/Wassily_Kandinsky_Cossacks_or_Cosaques_1910%E2%80%931.jpg, 1911, a watercolor belonging to Arp. Kandinsky had told Arp that he could have one of his pictures included in the 'Moderne Bund' (second) exhibition in Zurich, 1912, and this was the one Arp selected
1910 - 1915

“Lines should not be drawn simply for the sake of drawing lines”
Dissenting in Pearce v. Commissioner of Internal Revenue, 315 U.S. 543, 558 (1942).
Judicial opinions
Context: The line must follow some direction of policy, whether rooted in logic or experience. Lines should not be drawn simply for the sake of drawing lines.

“The colour line must go; the line will be drawn at personal merit.”
Sermon at St. Augustine Catholic Church (1890)

The Great Rules of Algebra (1968)
Context: Although a long series of rules might be added and a long discourse given about them, we conclude our detailed consideration with the cubic, others being merely mentioned, even if generally, in passing. For as positio refers to a line, quadratum to the surface, and cubum to a solid body, it would be very foolish for us to go beyond this point. Nature does no permit it.

Miscellaneous Works and Correspondence (1832), Demonstration of the Rules relating to the Apparent Motion of the Fixed Stars upon account of the Motion of Light.

The geometry of the spherical surface can be viewed as the realization of a two-dimensional non-Euclidean geometry: the denial of the axiom of the parallels singles out that generalization of geometry which occurs in the transition from the plane to the curve surface.
The Philosophy of Space and Time (1928, tr. 1957)