You are the salt of the earth, but if salt has lost its taste (its strength, its quality), how can its saltness be restored? It is not good for anything any longer but to be thrown out and trodden underfoot by men.
Let your speech at all times be gracious (pleasant and winsome), seasoned [as it were] with salt, [so that you may never be at a loss] to know how you ought to answer anyone [who puts a question to you].