Scientific Dialogues, Band 1

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Seite 353 - From seeming evil still educing good, And better thence again, and better still, In infinite progression. But I lose Myself in Him, in light ineffable ! Come, then, expressive Silence, muse His praise.
Seite 262 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Seite 202 - Of thirty years, to Mercury, whose disk Can scarce be caught by philosophic eye, Lost in the near effulgence of thy blaze.
Seite 201 - Prime cheerer, light! Of all material beings first, and best ! Efflux divine ! Nature's resplendent robe ! Without whose vesting beauty all were wrapt In unessential gloom ; and thou, O sun ! Soul of surrounding worlds, in whom best seen Shines out thy Maker...
Seite 82 - There is no difficulty in this, for if while my cricket-ball is rolling along after Henry has struck it, I strike it again, it goes on with increased velocity, and that in proportion to the strength which I exert on the occasion ; whereas, if while it is rolling, I strike it back again, or give it a side blow, I change the direction of its course.
Seite 288 - Less than archangel ruined, and the excess Of glory obscured ; as when the sun, new risen, Looks through the horizontal misty air Shorn of his beams, or from behind the moon, In dim eclipse, disastrous twilight sheds On half the nations, and with fear of change Perplexes monarchs.
Seite 277 - Were slunk, all but the wakeful nightingale ; She all night long her amorous descant sung ; Silence was pleased : now glow'd the firmament With living sapphires ; Hesperus that led The starry host rode brightest, till the moon, Rising in clouded majesty, at length Apparent queen unveil'd her peerless light, And o'er the dark her silver mantle threw.
Seite 85 - If the force with which it strikes the air below it, is equal to the weight of its body, then the re-action of the air upwards is likewise equal to it, and the bird being acted upon by two equal forces in contrary directions, will rest between them. If the force of the stroke is greater than its weight, the bird will rise with the difference of these two forces ; and if the stroke be less than its weight, then it will sink with the difference.
Seite 9 - ... of the terms which he is obliged to use. Ignorance of the language in which any science is taught, is an insuperable bar to its being suddenly acquired ; besides a precise knowledge of the meaning of terms, we must have an instantaneous idea excited in our minds whenever they are repeated ; and, as this can be acquired only by practice, it is impossible that philosophical lectures can be of much service to those who are not familiarly acquainted with the technical language in which they are delivered...
Seite 205 - Mercury completes his transient year, Glowing, refulgent, with reflected glare; Bright Venus occupies a wider way, The early harbinger of night and day ; More distant still our globe terraqueous turns, Nor chills intense, nor fiercely heated burns ; Around her rolls the lunar orb of light, Trailing her silver glories through the night. On the earth's orbit see the various signs, Mark where the sun, our year completing, shines ; First the bright Ram his languid ray improves ; Next glaring wat'ry thro...

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