Strong G1322 διδαχή didachē · teaching

2 John

1. 2 John 1:9
   Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God. He that abideth in the doctrine of Christ, he hath both the Father and the Son.
2. 2 John 1:10
   If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed: