Sheldon makes a video log to record for future generations in his attempt to create "Homo Novus" ("new man"). As he goes along, he notes, "Of course, there's a strong likelihood that my Homo Novi might have wiped out all future generations." If Sheldon knew enough Latin to use Novi for the plural of the adjective, he should also have known that the noun it modifies would also need to be plural. His term should have been "Homines Novi".
When Georgie starts reading from The Bible, the first sentence is the verse referenced. As he continues, it is not from The Bible at all.
In 1990, it was still customary for people to dress nicely for church. The many church scenes in "Young Sheldon" show plenty of males wearing suit coats. Teen boys would wear, at minimum, a dress shirt or polo, plus nice pants. Yet Georgie, who's working so hard to impress Veronica that he's a devout Christian, not only fails to wear a shirt & tie to church -- he wears a T-shirt.