For law descends from law. Though all the spheres
Through all the abysmal depths of Space were blown
Like dust before a colder darker wind
Than even Lucretius dreamed, yet if one thought,
One gleam of law within the mind of man,
Lighten our darkness, there's a law beyond;
And even that tempest of destruction moves
To a lighter music, shatters its myriad worlds
Only to gather them up, as a shattered wave
Is gathered again into a rhythmic sea,
Whose ebb and flow are but the pulse of Life,
In its creative passion.
The records grow
Unceasingly, and each new grain of truth
Is packed, like radium, with whole worlds of light.
The eclipses timed in Babylon help us now
To clock that gradual quickening of the moon,
Ten seconds in a century.
Who that wrote
On those clay tablets could foresee his gift
To future ages; dreamed that the groping mind,
Dowered with so brief a life, could ever range
With that divine precision through the abyss?
Who, when that good Dutch spectacle-maker set
Two lenses in a tube, to read the time
Upon the distant clock-tower of his church,
Could dream of this, our hundred-inch, that shows
The snow upon the polar caps of Mars
Whitening and darkening as the seasons change?
Or who could dream when Galileo watched
His moons of Jupiter, that from their eclipses
And from that change in their appointed times,
Now late, now early, as the watching earth
Farther or nearer on its orbit rolled,
The immeasurable speed of light at last
Should be reduced to measure?
Could Newton dream
When, through his prism, he broke the pure white shaft
Into that rainbow band, how men should gather
And disentangle ray by delicate ray
The colours of the stars,--not only those
That burn in heaven, but those that long since perished,
Those vanished suns that eyes can still behold,
The strange lost stars whose light still reaches earth
Although they died ten thousand years ago.
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