John Gills Exposition of the Bible Commentary - Psalms 120:4
Sharp arrows of the mighty, with coals of juniper. Some think these words describe lying lips, and a false tongue; which are like arrows, sharp ones, sent out from a bow drawn with a mighty hand, which come with great force, suddenly and swiftly, and do much mischief; see Psalm 11:2 ; and to "coals of juniper", very distressing and tormenting; the tongue being a fire, set on fire of hell, and sets on fire the course of nature; and throws out devouring words, which consume like fire, James... read more
Matthew Henry's Complete Commentary - Psalms 120:1-4
Here is, I. Deliverance from a false tongue obtained by prayer. David records his own experience of this. 1. He was brought into distress, into great distress, by lying lips and a deceitful tongue. There were those that sought his ruin, and had almost effected it, by lying. (1.) By telling lies to him. They flattered him with professions and protestations of friendships, and promises of kindness and service to him, that they might the more securely and without suspicion carry on their designs... read more