Here are some examples you can use.
Scriptures or Bible Stories.
Jezebel, Moses as a kid, really weird stories in the Bible, John 3:16, stories of courage in the Bible, etc.
Prayer, forgiveness, justice, love, meanings of Jesus’ death, resurrection, Holy Spirit, creation and cosmology, God, ten commandments, lord’s prayer…
Loneliness, grief, communication, illness and pain, empty nest, keeping it together…
Capital punishment, prison reform, racism, leadership, non-violence…
Themes from Other Faith Traditions
jihad, zazen, awakening, shabbat, wiccan rede