My daughter wrote on her IG status about her regret for being angry and she was disappointed when her heart betrayed her brain. Two best quotes to calm your anger are
Manage your anger since people can’t manage their stupidity
You cannot see your reflection in boiling water
Similarly you cannot see truth in a state of anger
I was looking for something to read on how to be positive toward others. And I came across this website entitled Benefits of Thinking Positively, and How to Do It
One tip that struck me was keep a gratitude journal. This is something new to me. Yes, I agree with the article. Look at the good side and be content with what Allah has given us. That will keep us positive.
فَبِأَيِّ آلَاء رَبِّكُمَا تُكَذِّبَانِ ﴿١٦﴾So which of the favors of your Lord would you deny?