Luke 14:34

Salt is good, but if the salt has become tasteless, with what shall it be seasoned?

Matthew 5:13

You are the salt of the earth, but if the salt loses its savor, with what shall it be salted? It is no longer good for anything, but to be thrown out and to be trodden underfoot by 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, having been seasoned with salt, that you may know how you ought to answer each one.

Hebrews 2:4-8

God also bearing them witness, both with signs and wonders, and with different kinds of miracles and gifts of the Holy Spirit, 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?

General references

Bible References

But

Matthew 5:13
You are the salt of the earth, but if the salt loses its savor, with what shall it be salted? It is no longer good for anything, but to be thrown out and to be trodden underfoot by 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, having been seasoned with salt, that you may know how you ought to answer each one.
Hebrews 2:4
God also bearing them witness, both with signs and wonders, and with different kinds of miracles and gifts of the Holy Spirit, according to His own will?

General references

Ezekiel 15:3
Shall wood be taken from it to do work? Or will men take from it for a peg to hang any vessel on it?