You can never discover how big the heart is until you are willing to let everything in. That's the possibility of a human lifetime. We know or somehow we are mature enough to tell the truth of how miserable it is to shrink the heart down and then to try to keep out all the threats. At a certain, mysterious moment you are just willing to say, 'Okay, I surrender. I give up. Let it all come in.' In that moment, what a revelation of the capacity of your heart to include everything. Everything. All the pain of the world, all the pain of the past, all the pain to come, the necessary pain that is part of life, the unnecessary pain that is part of avoiding pain. All of it. All of it. Then your heart is not just your heart and it's not the beautiful muscle of your body, or even your emotional heart. It is the core of the world. It is the universe itself. It is life itself, knowing itself as the capacity to hold all of life. That's the possibility.