Luke 14:34

³² Or else, while the other is yet a great way off, he sendeth an ambassage, and desireth conditions of peace.

³³ So likewise, whosoever he be of you that forsaketh not all that he hath, he cannot be my disciple.

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

³⁵ It is neither fit for the land, nor yet for the dunghill; but men cast it out. He that hath ears to hear, let him hear.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: Salt is good, but if the salt loses its savor, with what will it be seasoned?
KJV: Salt is good: but if the salt have lost his savour, wherewith shall it be seasoned?
WEB: “Salt is good, but if the salt becomes flat and tasteless, with what do you season it?
ASV: Salt therefore is good: but if even the salt have lost its savor, wherewith shall it be seasoned?
DARBY: Salt [then] [is] good, but if the salt also has become savourless, wherewith shall it be seasoned?
BLB: Therefore the salt [is] good, but if even the salt should become tasteless, with what will it be seasoned?

ÅB: Salt er en god ting, men når også saltet mister sin kraft, hva skal det da saltes med?
OTB: "Salt er godt, men hvis det mister sin smak, hvordan kan det bli salt igjen?
B1930: Salt er en god ting, men når også saltet mister sin kraft, hvad skal det da saltes med?

Matthew 5:13
Ye are the salt of the earth: but if the salt have lost his 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.
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Colossians 4:6
Let your speech be alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.
Read in context
Mark 9:49–50
For every one shall be salted with fire, and every sacrifice shall be salted with salt.
Read in context
Hebrews 2:4–8
God also bearing them witness, both with signs and wonders, and with divers miracles, and gifts of the Holy Ghost, according to his own will?
Read in context