Matthew 5:13
"You are the salt of the earth. But if the salt loses its taste, how shall it be made salty again? It is no longer good for anything, except to be thrown out and trampled under foot by men.
Luke 14:34-35
Salt is good; but if the salt has lost its taste, how shall it be seasoned?
Colossians 4:6
Let your speech always be full of grace, seasoned with salt, so that you may know how you ought to answer everyone.
Mark 9:49-50
For every one will be salted with fire.
Hebrews 6:4-6
For it is impossible for those who have once been enlightened, who have tasted the heavenly gift, and have become partakers of the Holy Spirit,
2 Peter 2:20-21
For if, after they have escaped the defilements of the world by the knowledge of the Lord and Savior Jesus Christ, they are again entangled in them and are overcome, the last state has become worse for them than the first.