Matthew 5:13
"Ye are the salt of the earth: but and if the salt have lost her saltiness, what can be salted therewith? It is thenceforth good for nothing, but to be cast out, and to be trodden underfoot of men.
Leviticus 2:13
All thy meat offerings thou shalt salt with salt: neither shalt thou suffer the salt of the covenant of thy God to be lacking from thy meat offering: but upon all thine offerings thou shalt bring salt.
Luke 14:34-35
Salt is good, but if salt have lost her saltiness, what shall be seasoned therewith?
Colossians 4:6
Let your speech be always well favoured and be powdered with salt, that ye may know how to answer every man.
Mark 9:49-50
"Every man therefore shall be salted with fire: And every sacrifice shall be seasoned with salt.
Hebrews 6:4-6
For it is not possible that they which were once lighted, and have tasted of the heavenly gift, and were become partakers of the holy ghost,
2 Peter 2:20-21
For if they, after they have escaped from the filthiness of the world through the knowledge of the Lord, and of the saviour Jesus Christ, they are yet tangled again therein and overcome: then is the latter end worse with them than the beginning.