Thematic Bible: Who is the salt of the earth

Seeing great masses of people, he went up to the mountain. When he was seated his disciples came to him. He opened his mouth and taught them: Blessed (Greek: makarios: happy, blessed) are those conscious of their spiritual need, for the kingdom of heaven is theirs. read more.
Blessed are those who mourn, for they will be comforted. Blessed are the meek (gentle) (mild) (humble), for they will inherit the earth. Blessed are they who hunger and thirst for righteousness, for they will be filled. Blessed are the merciful and compassionate, for they will receive mercy and compassion. Blessed are the pure in heart, for they will see God. Blessed are the peacemakers, for they will be called the children of God. Blessed are they who are persecuted for righteousness sake, for theirs is the Kingdom of heaven. Blessed are you when men revile you, and persecute you, and say all manner of evil against you falsely for my sake. Rejoice, and be filled with joy, for great is your reward in heaven. The prophets, who came before you, were also persecuted. You are the salt of the earth. If its taste goes away, how will you restore it? It is good for nothing. All you can do is throw it on the ground and walk on it.