1843, , , book 1, chapter 6: “Hero-Worshipâ€for light spreads; all human souls, never so bedarkened, love light; light once kindled spreads, till all is luminous
1962, Joseph Gies, Adventure Underground: Tunnels, page 260Even if there had been a glimmer of light, the dust would have robbed us of it; it was dense enough to bedarken an out-of-doors spot.