If we follow the analogy of Scripture symbolism, significance belongs to that emblem, making it quite worthy to stand by the side of the former one. You remember Christ's first exhortation in the Sermon on the Mount immediately following the Beatitudes: Ye are the salt of the earth, ye are the light of the world.
Men do not light a candle, and put it under a bushel Let your light so shine before men, that they may see your good deeds.' If we apply that key to decipher the hieroglyphics, the burning lamps which the girded servants are to bear in the darkness are the whole sum of the visible acts of Christian people, from which there may flash the radiance of purity and kindness, So shines a good deed in a naughty world.' The lamp which the Christian servant is to bear is a character illuminated from above (for it is a kindled lamp, and the light is derived), and streaming out a brilliance into the encircling murky midnight which speaks of hospitable welcome and of good cheer in the lighted hall within.
Now, what is the connection between that exhibition of a lustrous and pure Christian character and the former exhortation? Why this, if you do not gird your loins your lamp will go out. Without the concentrated effort and the continually repeated detachment and the daily renewed Lord! here am I, send me,' of the alert and ready servant, there will be no shining of the life, no beauty of the character, but dimness will steal over the exhibition of Christian graces. Just as, often, in the wintry nights, a star becomes suddenly obscured, and we know not why, but some thin vaporous cloud has come between us and it, invisible in itself but enough to blur its brightness, so obscuration will befall the Christian character unless there he continual concentration and detachment. Do you want your lights to blaze? You trim them--though it is a strange mixture of metaphor--you trim them when you gird your loins.