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 I would just continue on with my simple belief in Our Lord's teaching and the dogmatic definitions of the Church that there is no salvation outside the Church and that to inquire further is forbidden (cf. Pius IX Singulari Quidam).

Inquire further for deeper understanding is indeed condemned. A dogma is to be believed in humility, exactly as the words state.

From the other thread: A defined dogma is what it is regardless of personal interpretation. There is only one way to believe dogma: as Holy Mother Church has declared it:

 Pope Pius IX, First Vatican Council, Sess.3, Chap. 2 on Revelation, 1870, Ex-Cathedra Dogma >>>: “Hence, also, that understanding of its sacred dogmas must be perpetually retained, which Holy Mother Church has once declared; and there must never be a recession from that meaning under the specious name of a deeper understanding."

This doctrine made in First Vatican Council is vitally important for dogmatic purity, because the primary way that Satan attempts to corrupt Christ’s doctrines is by getting men to move away from the Church’s dogmas as they were once declared. There is no meaning of a dogma other than what the words themselves state and declare, so the Devil tries to get men to “understand” and “interpret” these words in a way that is different from how the Church has declared them.

Outside the Church There is No Salvation There is no need to add anything to it or "understand” the dogmas in a different way than what the words themselves state and declare.

 Pope St. Pius X, Lamentabile, The Errors of the Modernists, July 3, 1907, #22:

“The dogmas which the Church professes as revealed are not truths fallen from heaven, but they are a kind of interpretation of religious facts, which the human mind by a laborious effort prepared for itself.”- Condemned

 Pope St. Pius X, Lamentabile, The Errors of the Modernists, July 3, 1907, #54:

“The dogmas, the sacraments, the hierarchy, as far as pertains both to the notion and to the reality, are nothing but interpretations and the evolution of Christian intelligence, which have increased and perfected the little germ latent in the Gospel.”- Condemned

Dogmas of the faith, like Outside the Church There is No Salvation, are truths fallen from heaven which cannot be contradicted or altered in any way, and must be believed by all faithful.

Any one who says that we must interpret or understand the meaning of a dogmatic definition, in a way which contradicts its actual wording, is denying the whole point of Infallibility and dogmatic definitions.  Also, those who insist that infallible DEFINITIONS must be interpreted by non-infallible statements (e.g., from theologians, catechisms, etc.) are denying the whole purpose of the Chair of Peter. They are subordinating the Heavenly dogmatic teaching to the re-evaluation of fallible humans thereby inverting their authority.

There should not be interpretation of Outside the Church There is No Salvation, as the liberal heretics like to emphasize; there is only what the Church has once declared.