Then at night the general stillness is more impressive than any sound, but occasionally you hear the note of an owl farther or nearer in the woods, and if near a lake, the semihuman cry of the loons at their unearthly revels.
Henry David ThoreauWhat a battle a man must fight everywhere to maintain his standing army of thoughts, and march with them in orderly array throughthe always hostile country! How many enemies there are to sane thinking! Every soldier has succumbed to them before he enlists for those other battles.
Henry David Thoreau