Morality - Hadiths
Leyse'ş-şedîdü bi's-sur'ati innemâ'ş-şedîdü'llezî yemliku nefsehû inde'l-gadab.
The strong person is not the one who can wrestle others down. The truly strong person is the one who controls himself when angry.
The hadiths of the Prophet (PBUH) enlighten our lives.