The Pulpit Commentary - Matthew 5:15
Neither do men light a candle, etc. The same illustration comes in Luke 8:16 ( Mark 4:21 ), immediately after the parable of the sower, and again in Luke 11:33 , immediately after the reference to the repentance of the men of Nineveh at the preaching of Jonah. All four passages have too much verbal similarity to admit of any of them being absolutely independent. Mark 4:21 has the greatest number of peculiarities. The two passages in Luke agree very closely with each other, but of the... read more
The Pulpit Commentary - Matthew 5:13-16
The influence of sanctified characters. The righteousness which Christ commends will exert in the world a most gracious moral influence. It will season, as the salt does; it will illuminate and quicken, as the light does. "Salt seasons things, causing things to taste savoury, which otherwise would be no way pleasant, or wholesome, or good for the body." "Our Lord applies to his disciples the stronger word "light," i.e. essential light, rather than any which signifies merely a light-bearer.... read more