The Christian outlook was laid out by the Abraham 'the father of those having faith.' It was said of him that he was, 'reaching out for a better place, that is one belonging to heaven. He saw himself as a temporary resident on earth.
The trouble with spending ones whole life looking towards a heavenly life is that our life on earth is devalued by not living fully in the now. Christianity along with most other religions sees the body as a disposable vehicle fit only to carry a soul to the next life.
The life we have is wonderful already and all efforts to improve life right now is a very moral endeavor. Reaching out for a 'better place,' shows a lack of appreciation for what we have.
The Epicureans believed that the absence of pain and suffering was the highest ideal. Buddhism teaches the same and as such are more a philosophy than a religion.
Memento Mori - Remember that we all must die