Imam Mahdi (As)* declared :
evryone of you should act in a way that cause closeness to our fond and should avoid from actions
which are unpleasant and cause angriness . so person might seek forgiveness in a moment which
is not useful for him and doesn’t save him from god’s punishment .
source : behar al-anvar , vol 53 , page 176 , section 5-7 , mentioned by ehtejaj
* it means:peace-health be up on him(AS)