St. Marcellus I served as bishop of Rome from AD 308–309, during a period of persecution and internal turmoil. He worked to restore discipline among Christians who had lapsed under persecution, emphasizing repentance and reconciliation. Exiled for his leadership, Marcellus died shortly thereafter, likely around AD 309.
Marcellus teaches that the Church is sustained by repentance and mercy. May his example inspire patience, humility, and pastoral care, trusting God’s desire to restore and strengthen His people (Galatians 6:1).
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