This is sometimes prescribed in such form as: "Fraction X of your reading should be of authors writing at least 100 years ago."
Similar: In defense of the reading of old books by C.S. Lewis ...
https://www.youtube.com/watch?v=jFHQDIE7CSw
"All contemporary writers [of any period] share, to some extent, the contemporary outlook."
This is sometimes prescribed in such form as: "Fraction X of your reading should be of authors writing at least 100 years ago."
Similar: In defense of the reading of old books by C.S. Lewis ...
https://www.youtube.com/watch?v=jFHQDIE7CSw
"All contemporary writers [of any period] share, to some extent, the contemporary outlook."