Night and Music.—It was only at night time, and in the semi-obscurity of dark forests and caverns, that the ear, the organ of fear, was able to [pg 243] develop itself so well, in accordance with the mode of living of the timid—that is, the longest human epoch which has ever yet existed: when it is clear daylight the ear is less necessary. Hence the character of music, which is an art of night and twilight.