“Mathematics lays the foundation of all the exact sciences. It teaches the art of combining numbers, of calculating and measuring distances, how to solve problems, to weigh mountains, to fathom the depths of the ocean; but gives no directions how to ascertain the existence of a God.”
1881, A Defence of Atheism: A lecture delivered in Mercantile Hall, Boston on 10 April, 1861, p. 4
A Defence of Atheism
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Ernestine Rose 4
American feminist activist 1810–1892Related quotes
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 488.

“In mathematics the art of asking questions is more valuable than solving problems.”
In re mathematica ars proponendi quaestionem pluris facienda est quam solvendi.
Doctoral thesis (1867); variant translation: In mathematics the art of proposing a question must be held of higher value than solving it.

Source: 19th century, Popular Scientific Lectures [McCormack] (Chicago, 1898), p. 197; On mathematics and counting.
Introduction
Higher Mathematics for Chemical Students (1911)

“You calculated how to be uncalculating, and are natural by art!”
The Hand of Ethelberta (1876), ch. 20