Thompson, S. P.: Life of Lord Kelvin (London, 1910), p. 10.
[306]. He who knows not mathematics and the results of recent scientific investigation dies without knowing truth.—Schellbach, C. H.
Quoted in Young’s Teaching of Mathematics (London, 1907), p. 44.
[307]. The reasoning of mathematics is a type of perfect reasoning.—Barnett, P. A.
Common Sense in Education and Teaching (New York, 1905), p. 222.
[308]. Mathematics, once fairly established on the foundation of a few axioms and definitions, as upon a rock, has grown from age to age, so as to become the most solid fabric that human reason can boast.—Reid, Thomas.
Essays on the Intellectual Powers of Man, 4th. Ed., p. 461.
[309]. The analytical geometry of Descartes and the calculus of Newton and Leibniz have expanded into the marvelous mathematical method—more daring than anything that the history of philosophy records—of Lobachevsky and Riemann, Gauss and Sylvester. Indeed, mathematics, the indispensable tool of the sciences, defying the senses to follow its splendid flights, is demonstrating today, as it never has been demonstrated before, the supremacy of the pure reason.—Butler, Nicholas Murray.
The Meaning of Education and other Essays and Addresses (New York, 1905), p. 45.