One of the reasons this passage is so popular is its simplicity. The opposite of anxiety is peace. Anxiety is forbidden; peace is commended. It is God’s own version of “Don’t worry, be happy” — but with a glorious twist deeper than the universe, as John Piper explains in this three-minute video. Read more at http://desiringGod.org/articles/god-doesn-t-want-you-to-worry