Mark 9:49-50

Everyone has to be consecrated by the fire of the discipline.

Colossians 4:6

let your talk always have a saving salt of grace about it, and learn how to answer any question put to you.

Matthew 5:13

You are the salt of the earth. But if salt becomes insipid, what can make it salt again? After that it is fit for nothing, fit only to be thrown outside and trodden by the feet of men.

Treasury of Scripture Knowledge

Summary

And thou shalt offer them before the LORD, and the priests shall cast salt upon them, and they shall offer them up for a burnt offering unto the LORD.

Bible References

Cast salt

Matthew 5:13
You are the salt of the earth. But if salt becomes insipid, what can make it salt again? After that it is fit for nothing, fit only to be thrown outside and trodden by the feet of men.
Mark 9:49
Everyone has to be consecrated by the fire of the discipline.
Colossians 4:6
let your talk always have a saving salt of grace about it, and learn how to answer any question put to you.