“[T]he application of algebra to geometry… far more than any of his metaphysical speculations, has immortalized the name of Descartes, and constitutes the greatest single step ever made in the progress of the exact sciences.”
An Examination of Sir William Hamilton's Philosophy (1865) as quoted in 5th ed. (1878) p. 617. https://books.google.com/books?id=ojQNAQAAMAAJ&pg=PA617
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John Stuart Mill 179
British philosopher and political economist 1806–1873Related quotes
Source: Mathematics for the Nonmathematician (1967), pp. 255-256.

Source: History of Mathematics (1923) Vol.1, p. 90

The Differential and Integral Calculus (1836)

Dans Les Leçons Élémentaires sur les Mathématiques (1795) Leçon cinquiéme,Tr. McCormack, cited in Robert Edouard Moritz, Memorabilia mathematica or, The philomath's quotation-book (1914) Ch. V The teaching of mathematics, p. 81. https://archive.org/stream/memorabiliamathe00moriiala#page/80/mode/2up

Diary entry (9 March 1850)

Collected Essays in Literary Criticism (1938)
Literary Quotes

Preface, p. iii
The Differential and Integral Calculus (1836)

Kant's Inaugural Dissertation (1770), Section V On The Method Respecting The Sensuous And The Intellectual In Metaphysics