"All Politeness is owing to Liberty. We polish one another, and rub off our Corners and rough Sides by a sort of amicable Collision. To restrain this, is inevitably to bring a Rust upon Mens Understandings."
January 1, 1970
https://en.wikiquote.org/wiki/Anthony_Ashley-Cooper%2C_3rd_Earl_of_Shaftesbury