Atonement

Atonement: something you do in order to make amends for something that you did wrong, for example forgiveness.  I think atonement for past sins and mistakes is possible because there is always enough time to make things right again.  I think that for some things you shouldn’t dwell on the past, and just think about how good you could make the future if you atone.  I also think that if you atone your mistakes you are able to live a little bit more open minded and freely and in the future you will make the right decisions based of the wrong decisions you used to make. 

Since the incident with Hassan getting raped by a stranger, Amir had watched it the whole time and didn't do anything about it.  He could have easily stopped it and saved Hassan but he didn't.  Since he didn't help the situation, Amir is considered to have done something wrong.  I think that there is still time for Amir to make up for not helping Hassan, even though he has appologized several times.