To travel is to be born and to die at every instant; perhaps, in the vaguest region of his mind, he did make comparisons between the shifting horizon and our human existence: all the things of life are perpetually fleeing before us; the dark and bright intervals are intermingled; after a dazzling moment, an eclipse; we look, we hasten, we stretch out our hands to grasp what is passing; each event is a turn in the road, and, all at once, we are old; we feel a shock; all is black; we distinguish an obscure door; the gloomy horse of life, which has been drawing us halts, and we see a veiled and unknown person unharnessing amid the shadows.