In The Tibetan Book of Living and Dying, Sogyal Rinpoche writes:
To learn how to die is to learn how to live. To learn how to live is to learn how to act not only in this life, but in the lives to come.
Not everyone will accept the idea of re-incarnation, but it is important to appreciate, as he says, that ‘everything is inextricably related: we come to realise that we are responsible for everything we do, say or think, indeed for the entire universe’.