[~ Sanam Khan ~]

This hadith is on forgiveness and Imam Ali(a.s) stated that there are 6 aspects to forgiveness. Its a pretty nice hadith from nahj ul balagha ed. Subhi Salih, p. 549.

Once someone said in the presence of the Commander of the Faithful, upon whom be peace, in an offhand and careless fashion,
"I seek the forgiveness of God."

The Imam said to him:
"May your mother weep for you! Do you know what it is to seek the forgiveness of God? Seeking forgiveness of God is the station of those of high rank. It appears to be but a word, but it includes six aspects. The first is regret for what has been done; the second is firm resolve to abandon sinning in future; the third is restoring to others whatever rights of theirs you may have usurped, in such a way that when you meet your Creator they will have no claim in you; the fourth is that you perform whatever obligatory acts of worship you may have neglected; the fifth is that you cleanse with the tears of regret the illicit flesh that grew on your body while you were sinning; and the sixth is that just as you tasted the pleasure of sin and disobedience, you now taste the hardship and rigor of worship and obedience. Only when you have completed all of these six may you say, `I seek forgiveness of God.'"