ا لتَّفكِيرُ الجَيِّدُ مَصدَرٌ لِلحَياةِ لِصاحِبِهِ، وَتَأدِيبُ الأحْمَقِ غَباءٌ وَبِلا فائِدَةٍ.
Understanding is a wellspring of life unto him that hath it: but the instruction of fools is folly.