To get to the nitty gritty.
People are part of the universe.
We are not morally meaningless (we create our own morals and meanings)
Thus the universe is not without morals and meaning ( if for no other reason than the universe encompasses us, and our morals, and our meaning)
If there was nothing else whch gave morality and meaning to the universe then humanity would do so.
But then to answer your specific questions
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If the universe and life are merely accidents and there is no purpose to life other than survival and pro-creation (which consequently leads to death of one generation of species and the rehashing of pro-creation and survival of the next) then what is it about life we should value and be ethical so much about in order to maintain survival and pro-creation?
I think you are well aware of the many answers to this, Brave, but here are a few.
Survival and procreation are, for many species and perhaps the universe it self, in themselves, very important purposes
. While life exists ,so do many other potentialities. By ensuring the survival of life, we ensure the survival of those potentialities. This concept was summed up by more than one wise man, in the words "while there is life there is hope"
But not only that . While there is life, there is the possibility of anything and everything
. If life is nothing more than the temporary victory of energy over entropy, then that would be purpose enough for life.
So having estabilished the intrinsic value of life, we can then debate how it should be lived and the ethical /moral dimensions of life. However, inherent in this debate should be that very recognition of the intrinsic value of life
QUOTE
Why should I choose to be moral when I am going to die anyways and not remeber anything about life on earth? Those who live a moral life or wise life come to the same end as someone who is immoral and stupid. Or better put, why should I choose morality at the expense of happiness i.e selfless behaviour instead of ego indulgence if outside our biological urges life has no purpose (and if the universe is an accident anyways then whether we continue to survive and pro-create makes no difference to the universe)? Where is the incentive here for me to take responsibility for my actions and be a moral human being?
You have to choose (some form of operating system for life) because you can choose. Not choosing is not really an option to a sentient self aware organism.
It is the way, and the form you choose to choose by, which is significant. Like luke rhineharts Diceman, you could make every choice you face at random, or by the throw of a dice.
However as sentient beings we learn that certain choices have better outcomes That's a very simple morality (do whats best for us and those around us. ) Because we actually have quite a high degree of sentient self awareness, however, we can do better than that. We can use; logic, reason, and tools like philosophy, to invesigate concepts like good /evil, productive/nonproductive behaviours and formalise the most appproriate beliefs and behaviours for the most complex scenarios we are likely to face. Thus we develop ethical procedures not only for traatment of our selves but for the treatment of other species which bear no relationship to our own needs .
Once we have developed an ethical system which all our intelligences(logical spiritual emotional etc) have agreed on, we can then start to modify our behaviour to fit these standards.
Why should we do so?
For the most practical of reasons. By bringing harmony into our lives, and eliminating conflict between what we think we should do, and what we choose to do, we eliminate guilt, most fear, anger etc. We build on the positive emotions but with a logical basis for this, so that we can become, contented, happy ,fulfilled etc
None of this has any connection to death, or life after death.It is designed to give us the best possible life in this carnal existence on earth. Really sucessful religions do this also, but then also transfer this behaviour to a religious belief; ie that acting in this way will also bring you into harmony with god's will, and thus get you into heaven. Whether that's true or not, it is incidental to the importance of morals and ethics in human existence now, and on this earth.
You make an assumption that moral or ethical behaviour is at odds with having fun or happiness. In fact the most assured way to achieve the highest state of happiness, is to live by your ethical/ moral principles
( The second most assured way might be to live a life of complete ignorance and be exremely lucky, but this is not as easy to accomplish as it may appear. It is not easy to sustain either complete ignorance or good luck, for long periods)
Then we encounter the difficulties which may arise if your personal ethical standards are different to those of the society/people around you , but thats not really relevant tp your question, and will wait for another day.