Luke 14:34

Yes, salt is good; but, if the salt itself should lose its strength, what shall be used to season it?

Matthew 5:13

It is you who are the Salt of the earth; but, if the salt should lose its strength, what will you use to restore its saltiness? It is no longer good for anything, but is thrown away, and trampled underfoot.

Mark 9:49-50

For it is by fire that every one will be salted.

Colossians 4:6

Let your conversation always be kindly, and seasoned, as it were, with salt; that you may know in each case what answer you ought to give.

Hebrews 2:4-8

while God himself added his testimony to it by signs, and marvels, and many different miracles, as well as by imparting the Holy Spirit as he saw fit.

Treasury of Scripture Knowledge

Summary

Luke 14:34

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

But

Bible References

But

For it is by fire that every one will be salted.

Let your conversation always be kindly, and seasoned, as it were, with salt; that you may know in each case what answer you ought to give.

while God himself added his testimony to it by signs, and marvels, and many different miracles, as well as by imparting the Holy Spirit as he saw fit.