Mateus 5

13 You are the salt of the earth, but if the salt may lose savor, in what will it be salted? It is good for nothing from now on, except to be cast outside, and to be trodden down by men. 14 You are the light of the world, a city set on a mountain is not able to be hid; 15 nor do they light a lamp and put it under the measure, but on the lampstand, and it shines to all those in the house; 16 so let your light shine before men, that they may see your good works, and may glorify your Father who [is] in the heavens.