م َنْ يَمنَعُ عَصا التَّأدِيبِ عِنْ ابْنِهِ فَإنَّهُ يَكرَهُهُ، وَمَنْ يُحِبُّ ابْنَهُ يَسْعَى إلَى تأديبِهِ.
He that spareth his rod hateth his son: but he that loveth him chasteneth him betimes.