With similar candor, the letters of the apostles reported the serious problems experienced by individual Christians, including responsible ones, as well as by some congregations in the first century C.E. ​ — 1 Corinthians 1: 10 - 13; 2 Timothy 2: 16 - 18; 4: 10.
Samasuguse avameelsusega teatavad apostlite kirjad üksikute, sealhulgas vastutavate kristlaste, aga ka mõne koguduse tõsistest probleemidest esimesel sajandil.