Luke 14:34

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

Matthew 5:13

Ye are the salt of the earth: but if the salt have lost its savour, wherewith shall it be salted? It is thenceforth good for nothing, but to be cast out and to be trodden under foot of men.

Mark 9:49-50

For every one shall be salted with fire, and every sacrifice shall be salted with salt.

Colossians 4:6

Let your speech be always with grace, seasoned with salt, that ye may know how ye ought to answer every one.

Hebrews 2:4-8

God also bearing them witness by signs, and wonders, and various miracles, and distributions of the Holy Ghost, according to his own will.

Treasury of Scripture Knowledge

Summary

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

Bible References

But

Matthew 5:13
Ye are the salt of the earth: but if the salt have lost its savour, wherewith shall it be salted? It is thenceforth good for nothing, but to be cast out and to be trodden under foot of men.
Mark 9:49
For every one shall be salted with fire, and every sacrifice shall be salted with salt.
Colossians 4:6
Let your speech be always with grace, seasoned with salt, that ye may know how ye ought to answer every one.
Hebrews 2:4
God also bearing them witness by signs, and wonders, and various miracles, and distributions of the Holy Ghost, according to his own will.