On: every psalm and song in the daily prayers uses today’s English. Off: all of them use the older “thee and thou”. Until you choose, the Songs of Zechariah, Mary and Simeon use today’s English, as most churches sing them. The Lord’s Prayer and the prayers for the dying show the form most people learned.
The teaching that God alone acts in conversion. The Lutheran position, held without the Reformed conclusion that God therefore also predestines some to damnation.
In Doctrine — What Lutherans teach, and where it differs from neighbouring traditions.