Salt and light are images used by Jesus in the Sermon on the Mount, one of the main teachings of Jesus on morality and discipleship.[1] These images are in, 14, 15 and 16[2]
The general theme of Matthew 5:13–16 is promises and expectations, and these expectations follow the promises of the first part.[2]
The first verse of this passage introduces the phrase "salt of the earth" :
The second verse introduces "City upon a Hill" :
The later verses refer to not hiding a lamp under a bushel, which also occurs in Luke 8:16–18 and the phrase "Light of the World", which also appears in 8:12 NKJV.