The first Christians had the Hebrew Scriptures, the Apostles teaching them, and the circulating letters and writings of the Apostles. What they didnt have was everything collected, printed in nice fonts, bound and distributed at a reasonable price.
And yes, they had the Hebrew Scriptures, but they didn’t contain anything in “red ink”, if you get my drift.
“And yes, they had the Hebrew Scriptures, but they didnt contain anything in red ink, if you get my drift.”
Those “black ink” Hebrew writings were enough to lead people to Christ.