If you can’t read or write, you have no business voting.
I wouldn’t go that far; I seem to recall how a few backwater Galilean fishermen who couldn’t do either got accused of “turning the whole world upside down.”
That’s putting in quite a lick for a bunch that needed to hire scribes to do their written work for them.
So, no, it’s not a matter of being able to read or write; it’s a matter of being able to think and speak for one’s own self, and having an honest scribe in attendance.
In effin English