Be quick to listen: "he who answers before listening- that is his folly and his shame." Proverbs 18:13

"A man of knowledge uses words with restraint, and a man of understanding is even-tempered." Proverbs 17:27

"He who guards his lips guards his life, but he who speaks rashly will come to ruin." Proverbs 13:3 Another good reason to be slow to speak.