"Silence is the most perfect expression of ___" (line in a Shaw play)

Let's find possible answers to ""Silence is the most perfect expression of ___" (line in a Shaw play)" crossword clue. First of all, we will look for a few extra hints for this entry: "Silence is the most perfect expression of ___" (line in a Shaw play). Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.