Gospel: Mt 5:13-16
You are the salt of the earth. But if salt has lost its saltiness, how can it be made salty again? It has become useless. It can only be thrown away and people will trample on it.
You are the light of the world. A city built on a mountain cannot be hidden. No one lights a lamp and covers it; instead, it is put on a lamp stand, where it gives light to everyone in the house. In the same way, your light must shine before others, so that they may see the good you do, and praise your Father in heaven.
Salt and light are good metaphors of what we are supposed to be in this world. Salt purifies impurities. It kills bacteria that sets in decay to fresh food. Thus it also preserves. And so as salt we are enjoined to kill all things that lead to sin and to decay both in the moral and spiritual realms. We are also enjoined to preserve the teachings of the Lord. In word and deed they must be proclaimed for others to know.
As light, we prevent others from stumbling. They need not grope in the dark trying to find the way to Jesus. Our light, though feeble it is because of our weak faith, is enough to guide them and prevent them from getting lost. And even if we are far, our light shining in the dark is a beacon of hope for others.