Matthew 5:13-16 - The Sermon On The Mount: Salt And Light
13 "You are the salt of the earth. But if salt loses its strength, what can make it salt again? It is good for nothing but to be thrown away and trodden under foot.
14 You are the light of the world. A city that is built upon a hill cannot be hidden. 15 People do not light a lamp and put it under a peck-measure but on a lampstand, and it gives light to all that are in the house. 16 Let your light shine before people in such a way that they may see your good deeds, and praise your Father in heaven.