Whilst traveling to Chamouni and resting at
… And today, I missed rocks, palace, and fountain all alike, and found myself lying on the bank of a cart-road in the sand, with no prospect whatever but that small aspen tree against the blue sky.
Languidly, but not idly, I began to draw it; and as I drew, the languor passed away: the beautiful lines insisted on being traced, - without weariness. More and more beautiful they became, as each rose out of the rest, and took its place in the air. With wonder increasing every instant, I saw that they ‘composed’ themselves, by finer laws than any known of men. At last, the tree was there, and everything that I had thought before about trees, nowhere…
Praeterita John Ruskin Vol II
Pub: 1907 George Allen page 110