• Mathematical demonstrations being built upon the impregnable Foundations of Geometry and Arithmetick are the only truths that can sink into the Mind of Man, void of all Uncertainty; and all other Discourses participate more or less of Truth according as their Subjects are more or less capable of Mathematical Demonstration.

    James ELMES, Sir Christopher Wren (1852). “Sir Christopher Wren and his times. With illustrative sketches and anecdotes of the most distinguished personages in the seventeenth century”, p.100