Leonhard Euler, Elements of Algebra (1770) Vol. 1, taken from English translation (1810) by Charles Taylor(?) p. 270.
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The principal object of Algebra, as well as of all the other branches of the Mathematics, is to determine the value of quantities which were before unknown; and this is obtained by considering attentively the conditions given, which are always expressed in known numbers: for which reason Algebra has been defined, The science which teaches how to determine unknown quantities by means of those that are known.

— Leonhard Euler on History of algebra

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "The principal object of Algebra, as well as of all the other branches of the Mathematics, is to determine the value of quantities which were before unknown; and this is obtained by considering attentively the conditions given, which are always expressed in known numbers: for which reason Algebra has been defined, The science which teaches how to determine unknown quantities by means of those that are known." in the context of "Leonhard Euler, Elements of Algebra (1770) Vol. 1, taken from English translation (1810) by Charles Taylor(?) p. 270." to mean that wisdom is timeless.

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Source: Wikiquote: "History of algebra" (Quotes, D - E) The 'What it means' explanation text was generated by Google Gemini Flash (accessed January 18, 2026). https://gemini.google.com/app
Leonhard Euler

About Leonhard Euler

Leonhard Euler (15 April 1707 – 18 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician, and engineer who founded the studies of graph theory and topology and made pioneering and influential discoveries in many other branches of mathematics such as analytic number theory, complex analysis, and infinitesimal calculus. He introduced much of modern mathematical terminology and notation, including the notion of a mathematical function. He is also known for his work in mechanics, fluid dynamics, optics, astronomy, and music theory. He is considered to be one of the greatest mathematicians of all time.