There are many times, we act without thinking about the consequences of our actions. The truth is that the action of today is a seed sown that would be harvested in the future. The future could be closer for some people while for some, it would be a long time. Whichever way it goes, the consequences of our actions await us in one form or the other.
An Arrow from the Past will open your eyes to the reason why we need to always behave well.