Matthew 5:13 gives the same 'salt of the earth' saying, expanding the metaphor to believers' preserving influence in the world.

Mark 9:50 echoes the same warning about salt losing taste and urges 'have salt in yourselves' — emphasizing inner purity and peace.

Matthew 25:30 speaks of the worthless servant cast out — a parallel to the salt that is thrown away as useless.

Mark 9:49 adds the idea of being 'salted with fire' — linking salt to purification and judgment in the context of discipleship.

Leviticus 2:13 establishes salt as a covenant symbol — the saltiness Jesus refers to likely alludes to faithful commitment to God.

Deuteronomy 29:23 uses salt as a sign of desolate judgment — contrasting with salt's preserving role in Jesus' teaching.

Job 6:6 uses the same image of tasteless salt to question uselessness — a parallel to salt losing its purpose.

Ezekiel 15:3 questions the usefulness of vine wood — a parallel to the uselessness of salt that has lost its taste.