I came down radiant, light-hearted; I bounded like a pebble rolling down a rapid slope. When she saw me, she said,—
"What is it?"
I did not answer; my eyes were moist. The night before, Pauline had understood my sorrows, as she now understood my joy, with the magical sensitiveness of a harp that obeys the variations of the atmosphere. Human life has glorious moments. Together we walked in silence along the beach. The sky was cloudless, the sea without a ripple; others might have thought them merely two blue surfaces, the one above the other, but we—we who heard without the need of words, we who could evoke between these two infinitudes the illusions that nourish youth,—we pressed each other's hands at every change in the sheet of water or the sheets of air, for we took those slight phenomena as the visible translation of our double thought. Who has never tasted in wedded love that moment of illimitable joy when the soul seems freed from the trammels of flesh, and finds itself restored, as it were, to the world whence it came? Are there not hours when feelings clasp each other and fly upward, like children taking hands and running, they scarce know why? It was thus we went along.
How does the setting help to establish the tone of the passage?