----Search, undismayed the dark profound, Where Nature works in secret; view the beds Of mineral treasure, and the eternal vault That bounds the hoary ocean; trace the forms Of atoms, moving with incessant change, Their elemental round; behold the seeds Of being, and the energy of life, Kindling the mass with ever active flame; Then to the secrets of the working mind Attentive turn; from dim oblivion call Her fleet ideal band; and bid them go Break through time's barrier, and o'ertake the hour That saw the heavens created; then declare, If ought were found in these external scenes To move thy wonder now.[6] In the physics of the material universe, there is, it must be owned, much that is truly worthy of our philosophic admiration, and of the sublimest exertions of philosophic genius. But even that material world will appear more admirable, to him who contemplates it, as it were, from the height of his own mind, and who measures its infinity with the range of his own limited but aspiring faculties. He is unquestionably the philosopher most worthy of the name, who unites to the most accurate knowledge of mind, the most accurate knowledge of all the physical objects amid which he is placed; who makes each science, to each, reciprocally a source of additional illumination; and who learns, from both, the noblest of all the lessons which they can give,--the knowledge and adoration of that divine Being, who has alike created, and adapted to each other, with an order so harmonious, the universe of matter, and the universe of thought. FOOTNOTES: [5] Thomson's Poem on the Death of Sir Isaac Newton. [6] Akenside's Pleasures of Imagination, Book I. v. 512-526. LECTURE III. RELATION OF THE PHILOSOPHY OF MIND TO THE SCIENCES AND ARTS MORE STRICTLY INTELLECTUAL.