Saint John Paul II imitated these popes

Pius X: Infidels are those who have not been baptised and do not believe in Jesus Christ, because they either believe in and worship false gods as idolaters do, or though admitting one true God, they …More
Pius X:
Infidels are those who have not been baptised and do not believe in Jesus Christ, because they either believe in and worship false gods as idolaters do, or though admitting one true God, they do not believe in the Messiah, neither as already come in the Person of Jesus Christ, nor as to come; for instance, Mohammedans and the like.
Source of text: CATECHISM OF SAINT PIUS X: The Ninth Article of the Creed, Those Outside the Communion of Saints, 12 Q. Who are infidels?; sensusfidelium.us/…/the-ninth-artic…
Pius XI:
72. But in this battle joined by the powers of darkness against the very idea of Divinity, it is Our fond hope that, besides the host which glories in the name of Christ, all those - and they comprise the overwhelming majority of mankind, who still believe in God and pay Him homage may take a decisive part.
Source of text: Encyclical "Divini Redemtoris" 72; www.vatican.va/…/hf_p-xi_enc_193…
Pius XII:
16. Nor can We pass over in silence the profound impression of …More
Pattfm
"that among her enemies lie hidden those who are destined to be fellow citizens, that she may not think it a fruitless labor to bear what they inflict as enemies until they become confessors of the faith."
"Of the Sons of the Church" (by destiny) "Who are Hidden Among the Wicked, and of False Christians Within the Church."
Because without faith it is impossible to please God.