As Proverbs 17: 27 says, “anyone holding back his sayings is possessed of knowledge, and a man of discernment is cool of spirit. ”
تقول الامثال ١٧ :‏ ٢٧‏ :‏ « ذو المعرفة يبقي كلامه وذو الفهم وقور الروح » .‏