What does the Bible say about joy and peace?

In Romans 15:13, Paul expresses a prayer that God fills His people with all joy and peace in believing. This joy and peace are connected to the hope we have in Christ and the work of the Holy Spirit in our lives. Joy is an active expression of our relationship with God, revealed through the gospel, while peace is a passive state of rest, a result of reconciliation with God through Christ's sacrificial death. Thus, joy and peace are not just emotional states but are deeply rooted in our faith and connection to God.