Non declinavit ad dextram sive ad sinistram.
http://maistre.uni.cx/sovereignty.html
https://thejosias.com/2015/07/22/on-the-utility-and-necessity-of-prohibiting-harmful-books/
https://www.papalencyclicals.net/Pius09/p9syll.htm
https://thejosias.com/2015/11/25/on-liberty-of-teaching/