Our visit to this planet is short, so we should use our time meaningfully, which we can do by helping others wherever possible. And if we cannot help others, at least we should try not to create pain and suffering for them.
Long is the night for the sleepless. Long is the road for the weary. Long is samsara (the cycle of continued rebirth) for the foolish, who have not recognised the true teaching.
Death and dying provide a meeting-point between the Tibetan Buddhist and modern scientific traditions. I believe both have a great deal to contribute to each other on the level of understanding and of practical benefit.
Freed by full realization and at peace, the mind of such a man is at peace, and his speech and action peaceful. He has no need for faith who knows the uncreated, who has cut off rebirth, who has destroyed any opportunity for good or evil, and cast away all desire. He is indeed the ultimate man.
I have passed in ignorance through a cycle of many rebirths, seeking the builder of the house. Continuous rebirth is a painful thing. But now, housebuilder, I have found you out. You will not build me a house again. All your rafters are broken, your ridge-pole shattered. My mind is free from active thought, and has made an end of craving.