In Canada it is possible to go camping hundreds of miles away from any city or town. If it is a cloudy night, and there is no phosphorus in the area, the blackness is total. A hand held three inches from your face cannot be seen. But if there is a city nearby, perhaps a hundred miles away, the darkness is relieved. The light from the city is reflected off the clouds, and the night, once perfectly black, is no longer quite so desolate. Likewise Christians who let their light shine before men cannot be hidden; and the good light they shed around
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