Elisabeth Kubler-Ross — American Psychologist born on July 08, 1926, died on August 24, 2004

Elisabeth Kübler-Ross was a Swiss-American psychiatrist, a pioneer in near-death studies and the author of the groundbreaking book On Death and Dying, where she first discussed her theory of the five stages of grief... (wikipedia)

It's only when we truly know and understand that we have a limited time on earth - and that we have no way of knowing when our time is up, we will then begin to live each day to the fullest, as if it was the only one we had.
The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of those depths.
It is not the end of the physical body that should worry us. Rather, our concern must be to live while we're alive - to release our inner selves from the spiritual death that comes with living behind a facade designed to conform to external definitions of who and what we are.
It is important to feel the anger without judging it, without attempting to find meaning in it. It may take many forms: anger at the health-care system, at life, at your loved one for leaving. Life is unfair. Death is unfair. Anger is a natural reaction to the unfairness of loss.
The five stages - denial, anger, bargaining, depression, and acceptance - are a part of the framework that makes up our learning to live with the one we lost. They are tools to help us frame and identify what we may be feeling. But they are not stops on some linear timeline in grief.