Anger

Who spend [in the cause of Allah] during ease and hardship and who restrain anger and who pardon the people - and Allah loves the doers of good

And not equal are the good deed and the bad. Repel [evil] by that [deed] which is better; and thereupon the one whom between you and him is enmity [will become] as though he was a devoted friend

And those who avoid the major sins and immoralities, and when they are angry, they forgive

Narrated Abu Huraira:A man said to the Prophet (ﷺ) , "Advise me! "The Prophet (ﷺ) said, "Do not become angry and furious." The man asked (the same) again and again, and the Prophet (ﷺ) said in each case, "Do not become angry and furious

Narrated Sulaiman bin Surad:While I was sitting in the company of the Prophet, two men abused each other and the face of one of them became red with anger, and his jugular veins swelled (i.e. he became furious). On that the Prophet said, "I know a word, the saying of which will cause him to relax, if he does say it. If he says: 'I seek Refuge with Allah from Satan.' then all his anger will go away." Somebody said to him, "The Prophet has said, 'Seek refuge with Allah from Satan."' The angry man said, "Am I mad?