Thus likewise must the images have power
Through unimaginable space to speed
Within a point of time,- first, since a cause
Exceeding small there is, which at their back
Far forward drives them and propels, where, too,
They're carried with such winged lightness on;
And, secondly, since furnished, when sent off,
With texture of such rareness that they can
Through objects whatsoever penetrate
And ooze, as 'twere, through intervening air.
Besides, if those fine particles of things
Which from so deep within are sent abroad,
As light and heat of sun, are seen to glide
And spread themselves through all the space of heaven
Upon one instant of the day, and fly
O'er sea and lands and flood the heaven, what then
Of those which on the outside stand prepared,
When they're hurled off with not a thing to check
Their going out? Dost thou not see indeed
How swifter and how farther must they go
And speed through manifold the length of space
In time the same that from the sun the rays
O'erspread the heaven? This also seems to be
Example chief and true with what swift speed
The images of things are borne about:
That soon as ever under open skies
Is spread the shining water, all at once,
If stars be out in heaven, upgleam from earth,
Serene and radiant in the water there,
The constellations of the universe-
Now seest thou not in what a point of time
An image from the shores of ether falls
Unto the shores of earth? Wherefore, again,
And yet again, 'tis needful to confess
With wondrous.
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