At daybreak no one was absent from the roll-call; the casualties were replaced, the gaps that poverty and misfortune opened in the ranks were filled up immediately.
As soon as the sun rose the factory chimney began to smoke, the hammer broke the stone, the file bit the metal, the plough furrowed the earth, the ovens were lighted, the pump worked its piston, the hatchet sounded in the wood, the locomotive moved amidst clouds of vapour, the cranes groaned on the wharves, the steamers cut the waters, and the little barks danced on the waves dragging their nets.

None were absent from work's review.

All hurried on, driven by the fear of hunger, defying danger, not knowing if they would live till night, or if the sun rising over their heads would be the last in their lives.

And that daily concentration of human energies began with the first light of day in all parts of the world, wherever men had assembled and built towns and constituted societies, or even in the deserts to be reclaimed by their energies.
The stonemason breaks the stone with his hammer, and at every breath is poisoned by inhaling the invisible particles.

The miner descends to the hell of modern times with no other guide than the glimmer from his lamp, to wrest from the strata of the earliest ages relics of the earth's infancy, those carbonised trees that gave shade to prehistoric animals.