David Young's third lesson on the Book of James covers James 3:1-18. The focus: there is power in your words. Treat each word like a match, for Jesus says "But I tell you that men will have to give account on the day of judgment for every careless word they have spoken. For by your words you will be acquitted, and by your words you will be condemned." Matthew 12:36-37 (NIV)

James 3:9-12
"With the tongue we praise our Lord and Father, and with it we curse human beings, who have been made in God’s likeness. Out of the same mouth come praise and cursing. My brothers and sisters, this should not be. Can both fresh water and salt water flow from the same spring? My brothers and sisters, can a fig tree bear olives, or a grapevine bear figs? Neither can a salt spring produce fresh water."
(NIV)