The message of the Cross is purely about the Grace of Cross,
Jesus died on it to reveal the grace that he has given to us.
Not to be perfect nor sinless while we live life here on the earth.
If he did we would have became perfect, once we became one.
With his Holy Spirit which came and now share our bodies with us.
But he died so that by his death and resurrection, we would be saved.
Our Salvation is an ongoing thing that shall continue to to save us.
For he is working out our salvation while revealing his Grace to us.
For by revealing his grace in our lives he is drawing others unto him.