Acquiring (from their elemental[5] veins,
Condens’d to solid chords) a firmer tone,
Sustain, and just sustain, th’ impetuous blood. 520
Here stops the growth. With overbearing pulse
And pressure, still the great destroy the small;
Still with the ruins of the small grow strong.
Life glows mean time, amid the grinding force
Of viscous fluids and elastic tubes; 525
Its various functions vigorously are plied
By strong machinery; and in solid health