Or did Luther toss that book too?
I don’t see the word *sacrament* in anything you posted.
No wonder Roman Catholicism gets stuff wrong. The word in Ephesians 5:32, τὸ μυστήριον, is only translated as "sacrament" in the Vulgate.
No other major translation renders it this way. The word conveys the meaning of:
the content of that which has not been known before but which has been revealed to an in-group or restricted constituency
Louw, J. P., & Nida, E. A. (1996). Greek-English lexicon of the New Testament: based on semantic domains (electronic ed. of the 2nd edition., Vol. 1, p. 344). New York: United Bible Societies.
3466 mystḗrion (the root of the English term, "mystery") mystery. In the Bible, a "mystery" (3466 /mystḗrion) is not something unknowable. Rather, it is what can only be known through revelation, i.e. because God reveals it.