Martin Luther wrote in his famous hymn, A Mighty Fortress, that one little word can defeat the devil. So whenever we experience opposition to the truth of God's word, we must recall the truth of the Bible, the Good News of Jesus' suffering, death, and resurrection. God has promised that through faith in Jesus we are justified, forgiven, holy and blameless.
This is the word those early Christians believed. It is the word we believe and for which we give glory to God and praise to his name.
