Albert Barnes Commentary Mark 9:50

"Salt is good: but if the salt have lost its saltness, wherewith will ye season it? Have salt in yourselves, and be at peace one with another." — Mark 9:50 (ASV)

Lost his saltness, etc. See Barnes on Matthew 5:13.

Have salt in yourselves. Have the preserving, purifying principle always; the principles of denying yourselves, of suppressing pride, ambition, contention, etc., and thus you will be an acceptable offering to God.

Have peace. Avoid contention and quarrelling, struggling for places, honours, and office, and seek each other's welfare, and religion will be honoured and preserved in the world.