Luke 14:34

"Now salt [is] good, but if salt becomes tasteless, with what will it be made salty?

Matthew 5:13

"You are the salt of the earth. But if salt becomes tasteless, by what will it be made salty? It is good for nothing any longer except to be thrown outside [and] trampled under foot by people.

Mark 9:49-50

For everyone will be salted with fire.

Colossians 4:6

Let your speech always [be] with grace, seasoned with salt, so that [you] may know how it is necessary for you to answer each one.

Hebrews 2:4-8

[while] God was testifying at the same time by signs and wonders and various miracles and distributions of the Holy Spirit according to his will.

Treasury of Scripture Knowledge

Summary

Salt is good: but if the salt have lost his savour, wherewith shall it be seasoned?

General references

Bible References

But

Matthew 5:13
"You are the salt of the earth. But if salt becomes tasteless, by what will it be made salty? It is good for nothing any longer except to be thrown outside [and] trampled under foot by people.
Mark 9:49
For everyone will be salted with fire.
Colossians 4:6
Let your speech always [be] with grace, seasoned with salt, so that [you] may know how it is necessary for you to answer each one.
Hebrews 2:4
[while] God was testifying at the same time by signs and wonders and various miracles and distributions of the Holy Spirit according to his will.

General references

Ezekiel 15:3
Can wood be taken from it to make anything, or can they take a tent peg from it to hang on it any object?