Ben Yamen's Song of Geometry (1853) 
Context: The Key! it is of wonderful construction, with its infinity of combination, and its unlimited capacity to fit every lock. … it is the great master-key which unlocks every door of knowledge and without which no discovery which deserves the name — which is law, and not isolated fact — has been or ever can be made. Fascinated by its symmetry the geometer may at times have been too exclusively engrossed with his science, forgetful of its applications; he may have exalted it into his idol and worshipped it; he may have degraded it into his toy... when he should have been hard at work with it, using it for the benefit of mankind and the glory of his Creator.
                                    
“The Key! it is of wonderful construction, with its infinity of combination, and its unlimited capacity to fit every lock. … it is the great master-key which unlocks every door of knowledge and without which no discovery which deserves the name — which is law, and not isolated fact — has been or ever can be made. Fascinated by its symmetry the geometer may at times have been too exclusively engrossed with his science, forgetful of its applications; he may have exalted it into his idol and worshipped it; he may have degraded it into his toy... when he should have been hard at work with it, using it for the benefit of mankind and the glory of his Creator.”
Ben Yamen's Song of Geometry (1853)
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Benjamin Peirce 24
American mathematician 1809–1880Related quotes
                                
                                    “Of my Base metal may be filed a Key,
That shall unlock the Door he howls without.”
                                
                                
                                
                                
                            
                                        
                                        The Rubaiyat (1120) 
Context: The Vine had struck a fibre: which about
If clings my being — let the Dervish flout;
Of my Base metal may be filed a Key,
That shall unlock the Door he howls without.
                                    
Source: The Rubaiyat (1120)
Prose Quotations from Socrates to Macaulay, 1880
Lecture on "Electrical Units of Measurement" (3 May 1883), published in Popular Lectures Vol. I, p. 73, as quoted in The Life of Lord Kelvin (1910) by Silvanus Phillips Thompson
                                        
                                        1850s, Speech on the Dred Scott Decision (1857) 
Context: In those days, as I understand, masters could, at their own pleasure, emancipate their slaves; but since then, such legal restraints have been made upon emancipation, as to amount almost to prohibition. In those days, Legislatures held the unquestioned power to abolish slavery in their respective States; but now it is becoming quite fashionable for State Constitutions to withhold that power from the Legislatures. In those days, by common consent, the spread of the black man's bondage to new countries was prohibited; but now, Congress decides that it will not continue the prohibition, and the Supreme Court decides that it could not if it would. In those days, our Declaration of Independence was held sacred by all, and thought to include all; but now, to aid in making the bondage of the negro universal and eternal, it is assailed, and sneered at, and construed, and hawked at, and torn, till, if its framers could rise from their graves, they could not at all recognize it. All the powers of earth seem rapidly combining against him. Mammon is after him; ambition follows, and philosophy follows, and the Theology of the day is fast joining the cry. They have him in his prison house; they have searched his person, and left no prying instrument with him. One after another they have closed the heavy iron doors upon him, and now they have him, as it were, bolted in with a lock of a hundred keys, which can never be unlocked without the concurrence of every key; the keys in the hands of a hundred different men, and they scattered to a hundred different and distant places; and they stand musing as to what invention, in all the dominions of mind and matter, can be produced to make the impossibility of his escape more complete than it is. It is grossly incorrect to say or assume, that the public estimate of the negro is more favorable now than it was at the origin of the government.