Caravaggio, Saint Jerome Writing (c. 1605), Galleria Borghese. Public domain.
4 verses in the King James Version. Word study for “doctrine” →
But thou hast fully known my doctrine, manner of life, purpose, faith, longsuffering, charity, patience,
All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness:
Preach the word; be instant in season, out of season; reprove, rebuke, exhort with all longsuffering and doctrine.
For the time will come when they will not endure sound doctrine; but after their own lusts shall they heap to themselves teachers, having itching ears;