Forgiveness, the key that opens every door.

[Richard Amiel McGough]

I'm listening to the Grateful Dead's Unbroken Chain:


http://youtu.be/7BExP0iZaTI

One phrase in the song caught my ear - "forgiveness is the key that opens every door."

Do you believe there is a key that opens every door? If so, is forgiveness it? Or is there another?