To be the salt, you also need to be the shaker. To shake the world. Shake the truth. Shake the people. Shake the word. Have it sprinkle, melt and preserve humanity.
The only way to make a spoilt machine work again is to break it down, work on its inner system and fix it again. Screw out the bolts of your life, examine and work on yourself, fix your life again and...
Many men are broken in spirit because of bitterness.