Imagine a sparkling, blue sea, filled with life and color and beauty. Now think for a moment about how you can most fully experience it.
If you try to take it for yourself and keep what you have taken for yourself and no one else, all you end up with is a bucket of salty water. Yet when you let go of your need to possess, and dive in, immersing yourself in the sea and giving yourself to it, then you fully experience its magnificence.
Similarly, when you try to take from life and hoard a small bucket of it for yourself, whatever you get is not really worth having. It is when you dive in and give of yourself that you experience the real meaning and beauty of being alive.
Life is simply too grand and too magnificent for you ever to be able to take anything away from it. You can never take away and keep for yourself anything more than a mere token. When you really give is when you really live.