The Only reason why humanity would have evolved oblivion to death is to promote the cause of affection. Imagine how we would have never loved our elders had we known they were going to die one day.
If there is a God, we must see Him; if there is a soul we must perceive it; otherwise it is better not to believe. It is better to be an outspoken atheist than a hypocrite. - Swami Vivekananda