the region of perpetual twilight
...Thoreau's Journal: 7-Mar-1852
Going through the high field beyond the lone graveyard, I see the track of a boy’s sled before me, and his footsteps shining like silver between me and the moon. And now I come to where they have coasted in a hollow in this upland bean-field, and there are countless tracks of sleds, and I forget that the sun shone on them in their sport, as if I had reached the region of perpetual twilight, and their sport appears more significant and symbolical now, more earnest. For what a man does abroad by night requires and implies more deliberate energy than what he is encouraged to do in the sunshine. He is more spiritual, less animal or vegetable, in the former case.