9 We have long embraced the noble Belgian nation with Our special love andcare, and Belgium in turn, enlivened by the ancestral religion, has offered Usmany evidences of obedience and loving devotion. So there is little doubt thatOur Catholic sons will receive and carry out religiously these exhortations andcommands with a will equal to Our purpose in issuing them.
Source: Permoti Nos (Vatican.va)