sound
ὑγιαινούσῃ (hygiainousē)
Verb - Present Participle Active - Dative Feminine Singular
Strong's 5198: From hugies; to have sound health, i.e. Be well; figuratively, to be uncorrupt.
doctrine.
διδασκαλίᾳ (didaskalia)
Noun - Dative Feminine Singular
Strong's 1319: Instruction, teaching. From didaskalos; instruction.
Uncorrupt Instruction, Teaching.
If a person teaches that a person must believe that Jesus is coming back today. I have no qualms. (They are following sound teaching as they see it.)
If a persons says teaching that Jesus has already came back, and today we live in the new heavens and new earth. People have qualms. (They aren't following sound teaching according to some people.)
They will have issues with the teachings going on.
So what is sound doctrine in the first place? It is to be an uncorrupt teaching, instruction.
All through the Apostolic Record, Jesus speaks of his return.
Here we see where Jesus states concerning his return within that generation.
3 Lines of scripture which conclude that generation of living people would be living and experience when the things Jesus spoke about would happen.
You getting the picture of what sound doctrine/teaching is yet?
Is all this suppose to take place in the future? Or in the generation of that time?
This ending message was to remind them to go back to the first things they had read within the Letter that was passed around the 7 churchs of the people that had lived in that day when Jesus had spoken the words concerning them.
So with just a little bit of gathering and look and searching out the bible, we can see that Yeshua, was coming, in a time that was going to come quickly especially as the Great and Dreadful day of the LORD had continue to approach that generation.
While many say NO YOUR CRAZY, you aren't following sound doctrine, I wouldn't be so quick to call me crazy, or someone who needs to be corrected, or someone who needs to be avoided, or someone whom is a devil as some may suggest, or a false teacher either.
I'm just sharing the text for you to consider this sound doctrine of the looking at the concernment of Jesus and when was he suppose to come? In that generation.