Some of the greatest truths of life cannot be transmitted through words. They can only be experienced and understood. There exists The Ultimate Truth. Who said that, there can be no Ultimate Truth? That Truth is Death. Once you have begun to live, the only Ultimate Truth there is, is that you will have to die.
Scientists from some countries are already trying to understand this phenomena called death and trying to nullify the ageing process by finding out ways to integrate humans with machines so that, we never die. They are finding out ways to make us immortals and thus, dying only if we will to die.
But can immortality, actually be achieved? And if yes, then, is it okay to tamper with nature in this case, as in other cases of genetic engineering and human cloning? As it is an uncharted territory, there are hidden implications that may surface, even as in the case of human cloning when religious authorities argued, would lead to people spawning without a soul. But if people can spawn at all without a soul, then why is a soul necessary?
It is for time and experience to show us. Humanity will be doomed if one such implication regarding indefinite life span, in my opinion, would be creating new ways of entertainment for us, the immortal beings, eternally, so that we don't get bored and plan to unplug ourselves and die.
Though it is a far-fetched scenario, as many issues of world hunger, poverty, illiteracy and starvation are still pending, to be solved. But if, such a scenario actually manifests, then God and the religions, will be rendered useless and spirituality will only mean, the fulfillment of mankind's perpetual utopian dream.