many things heretofore unobserved, _because uncombined_, were gathered into a unity of evidence to that ruin, spread through innumerable channels, the great altitude would begin dimly to reveal itself by means of the mighty depth in correspondence. One deep calleth to another. One after one the powers lodged in the awful succession of uncoverings would react upon each other; and thus the feeblest language would be as capable of receiving and reflecting the system of truths (because the system is an arch that supports itself) as the richest and noblest; and for the same reason that makes geometry careless of language. The vilest jargon that ever was used by a shivering savage of Terra del Fuego is as capable of dealing with the sublime and eternal affections of space and quantity, with up and down, with more and less, with circle and radius, angle and tangent, as is the golden language of Athens.] and the story which illustrates it is this:--A great work of Apollonius, the sublime geometer, was supposed in part to have perished: seven of the eight books remained in the original Greek; but the eighth was missing. The Greek, after much search, was not recovered; but at length there was found (in the Bodleian, I think,) an Arabic translation of it. An English mathematician, Halley, knowing not one word of Arabic, determined (without waiting for that Arabic key) to pick the lock of this MS. And he did so. Through strength of preconception, derived equally from his knowledge of the general subject, and from his knowledge of this particular work in its earlier sections, using also to some extent the subtle art of the decipherer, [Footnote: An art which, in the preceding century, had been greatly improved by Wallis, Savilian professor of geometry at Oxford, the improver of analytic mathematics, and the great historian of algebra. Algebra it was that suggested to him his exquisite deciphering skill, and the parliamentary war it was that furnished him with a sufficient field of practice. The King's private cabinet of papers, all written in cipher, and captured in the royal coach on the decisive day of Naseby (June, 1645), was (I believe) deciphered by Wallis, _proprio marte_.] now become so powerful an instrument of analysis, he translated the whole Arabic MS. He printed it--he published it. He tore--he extorted the truth from the darkness of an unknown language--he would not suffer the Arabic to benefit by its own obscurity to the injury of mathematics. And the book remains a monument to this day, that a system of ideas, having internal coherency and interdependency, is vainly hidden under an unknown tongue; that it may be illuminated and restored chiefly through their own reciprocal involutions. The same principle applies, and _a fortiori_ applies, to religious truth, as one which lies far deeper than geometry in the spirit of man, one to which the inner attestation is profounder, and to which the key-notes of