Your past is past and it does not determine your future.
But the past can be heavy. All of us have been hurt, we've been rejected, and our sense of self-worth has suffered. We have shame, we have regret, and we have guilt. Some of us have had big past trauma.
I talk about how our perception or interpretation of events is more important than the event itself ALL THE TIME. I talk about it because I believe it and I have seen huge shifts in my own life as a result of challenging my perceptions and interpretations.