6 Bible Verses about Sourness

Can a fig-tree, my brethren, produce olives, or a vine figs? so can no fountain produce salt water and sweet.

For every one shall be as it were salted by fire, and every sacrifice shall be seasoned as with salt.

Ye are the salt of the earth, but if the salt be grown insipid, wherewith shall it be seasoned? it is no longer fit for any thing, but to be thrown out of doors, and trodden under foot.

Salt is good; but if the salt have lost it's savor, wherewith shall it be seasoned?

Salt is useful, but if the salt become insipid, wherewith will ye season it? Have salt therefore in yourselves, and as a proof of it be at peace one with another.

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