Time and changes in environment is the greatest threat to life in this Universe. As humans the greatest advantage we have in survival is our empathy and ability to work together to reach common goals.
You cannot expect the Universe to reward you for good behavior. The Universe is chaos, good and bad are random. However, you can see cause and effect from your treatment of people. Those people that you help also know that there was someone who took the time to be kind.
The primary tenant of most religions is love and kindness.. What is wrong with that? It is the different customs of religion that place schisms between people.
Rituals of marriage, work, placement in society, proper dress, etiquette, etc are created by a culture of people. These things change with time and should never be used to determine if a person's behavior is moral or not.
If you are not looking out for the best interest of the person (thing) that you love you don't really love them. Instead it is a form of greed and self-interest that only benefits yourself.
Saying you are a charitable person and you fight against subsidy's for the poor, education and food for poor families. You are not a charitable person. You are only showing charity when it comes on your terms. Which is very selfish.
When you are starving and your family doesn't have enough to live there is great motivation to do things that would be considered immoral or illegal. It is easy for people to look at the poor and state that they are immoral and that is why they are poor.
History books will fade from memory, fame will fade, the only proof of your existence will be the personal bits of living code walking around the earth.
There will never be a state of perfection in this world. We can, however, seek out challenges and hardships and apply our reason and ingenuity to overcome them. We can't be perfect but we can be just a little bit better every day.
Knowledge is the result of collective actions; the exploitation of the commons allows humans to live, and thus to gain knowledge. When that knowledge is used via economic systems to claim ownership over the commons, one erases this deep link between life, commons and knowledge.