Jesus said, “You are the salt of the earth. But if the salt loses its saltiness, how can it be made salty again?

Salt is part of a very important process it seems. In ancient times, once something was prepared or washed, it was salted to preserve it. Salt was added to grain offerings, salt was added to meat offerings and more importantly salt was not to be left out of anything, that was to be presented to the Lord.

For scriptural references, you can read this blog here: https://namibiancornerstone.com/i-am-the-salt-of-the-earth/