The name of the LORD and his son are the most important keys to salvation (Acts 4:12). The elect will call on the name of the LORD (Zechariah 13:9), which means by deduction, not knowing the name of the LORD means that you're not of the Elect
this is my name for ever The Lord's name will never change (Malachi 3:16).
spake often one to another The Elect.
book of remembrance The Bible.