Fathers teach Torah, but mothers determine one's Jewish soul essence.
His views on women blend tradition and modernity. Yet their large holy families are a model for secular Israelis, whose few children are often captives of western decadent TV culture. The sparks he kindled are likely still kindling other sparks- cf. Ramban claims that the kids of one who's really OK will be OK too. Intense Messianic concern about our distant descendants is uniquely Jewish.