ي َتَكلَّمُ الأحْمَقُ فَيُسبِّبَ المَتاعبَ لِنَفْسِهِ، أمّا ما يَقُولُهُ الحُكَماءُ فإنهُ يَحْفَظُهُمْ.
In the mouth of the foolish is a rod for his back, But the lips of the wise will protect them.