Nicht geschimpft ist gelobt genug — not scolded is praise enough. A magazine for mayors places the saying in Hesse, where it is often said in strong dialect. It uses the saying to describe how many bosses treat their staff.
Nix gsagt isch globt gnuag — nothing said is praise enough. The Swabian version. The Schwäbische Zeitung calls it a common cliché in Swabia.