DE >>> Why would people read it over and over, as so often they do?
Several reasons, but, for me, to pick up what I missed the first, second, third ... time around.
A lot of our conventional 'common sense wisdom' is summed up, quickly and to the point, in the multiple 'snippets' from Proverbs.
Such as (paraphrased) - Better to be thought a fool, than to open one's mouth and remove all doubt. *s*

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...