You are the salt of the earth. But if the salt loses its savor, how can it be made salty again? It is no longer good for anything, except to be thrown out and trampled by men.
Matthew 5:13. Ye are the salt of the earth. What belongs to doctrine is applied to the persons to whom the administration of it has been committed. When Christ calls the apostles the salt of the earth, he means, that it is their office to salt the earth: because men have nothing in them but what is tasteless, till they have been seasoned with the salt of heavenly doctrine.
Christ had lately called his disciples, and told them that they should be fishers of men; here he tells them further what he designed them to be - the salt of the earth, and lights of the world, that they might be indeed what it was expected they should be. I. Ye are the salt of the earth.
Commenting on Matthew 5:13-16
Ye are the salt of the earth,.... This is to be understood of the disciples and apostles of Christ; who might be compared to "salt", because of the savoury doctrines they preached; as all such are, which are agreeable to the Scriptures, and are of the evangelic kind, which are full of Christ, serve to exalt him, and to magnify the grace of God; and...