Parallel
Luke 11:21
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ὅταν ὁ ἰσχυρὸς καθωπλισμένος φυλάσσῃ τὴν ἑαυτοῦ αὐλήν, ἐν εἰρήνῃ ἐστὶ τὰ ὑπάρχοντα αὐτοῦ·
When a strong man, fully armed, guards his house, his possessions are secure.