Just a few errors I found with your post.
Pope John Paul II, however, said: "Buddhism is the religion of salvation.”
You are not correct.
Pope John Paul II did NOT say "Buddhism is the religion of salvation".
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The Catholic Church teaches that: "The Pope is infallible, when he as the highest shepherd and teacher of the church gives a decision which concerns the whole church".
The Catholic Church does NOT teach "The Pope is infallible, when he as the highest shepherd and teacher of the church gives a decision which concerns the whole church"
There are additional requirements that must be met for a doctrine taught by the pope infallibly.
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One or the other Pope has made a mistake and the doctrine of Catholic Church on the infallibility of the Pope is broken. Actually, the Pope is not infallibility, because no man is perfect, but every man is imperfect before God.
The Catholic Church does NOT teach that a pope is "perfect".
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The Vatican teaches today that all religions are equal,...
The Catholic Church does NOT teach that "all religions are equal".
God bless you
- Ray -