Do you have some sort of hidden knowledge about how to properly interpret the Bible that people like St. Clement of Rome or St. Ignatius of Antioch, or St. Polycarp who actually knew the apostles weren’t given?
It’s called 2 Tim 2:15. Not exactly a secret, but completely ignored by those who want to believe they are spiritual Israel, or are bringing in the Kingdom, or have some sort of Apostolic Succession, or believe that water baptism saves, or teaching that faith plus works save. Sound familiar?