Salt of the earth
1. A person or group considered as embodying simplicity and moral integrity.
2. Archaic A person or group considered the best or most worthy part of society.
Source:
http://idioms.thefreedictionary.com/salt+of+the+earth---------------
Colossians 4:6 Let your speech be always with grace, seasoned with salt,
Luke 14:34 Salt is good, but if it loses its saltiness, how can it be made salty again?
Hebrews 6:4-6 For it is impossible for those who were once enlightened, and have tasted the good word of God and the powers of the age to come, and then have fallen away, it is impossible to renew them again to repentance, since they again crucify to themselves the Son of God and put Him to open shame.
Mark 9:49-50 "For everyone will be salted with fire. "Salt is good; but if the salt becomes unsalty, with what will you make it salty again? Have salt in yourselves, and be at peace with one another."
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10. Before Biblical Judaism ceased to exist, salt was mixed with animal sacrifices. This originated from Moses in Leviticus 2:13 which states: “Whatsoever sacrifice thou offerest, thou shalt season it with salt, neither shalt thou take away the salt of the covenant of thy God from thy sacrifice. In all thy oblations thou shalt offer salt.” The salt was a symbol of wisdom and discretion.
12. It is the only family of rocks regularly eaten by humans.
Source:
http://listverse.com/2009/05/11/15-fascinating-facts-about-salt/-------------------
If you say that someone is the salt of the earth, you mean that they are a very good and honest person.
Source:
http://dictionary.cambridge.org/dictionary/english/be-the-salt-of-the-earth-----------------------
Food without salt becomes insipid:
in·sip·id - adjective
lacking flavor.
"mugs of insipid coffee"
synonyms: tasteless, flavorless, bland, weak, wishy-washy;
lacking vigor or interest.
"many artists continued to churn out insipid, shallow works"
synonyms: unimaginative,
uninspired,
uninspiring, characterless, flat,
uninteresting, lackluster,
dull, drab, boring, dry, humdrum, ho-hum, monochrome, tedious, uneventful, run-of-the-mill, commonplace, pedestrian, trite, tired, hackneyed, stale, lame,
wishy-washy, colorless, anemic,
lifeless