no list of commandments can be complete, to cover all possible situations that one may encounter in life. whatever the situation, be reasonable and thoughtful, and make the best decision you can with the best of intentions.
this is important for a healthy sense of community in the world. if you see someone struggling with bags of groceries, offer to help, for example. if you see someone littering, politely remind them to clean up after themselves, etc.
this is most important if you are raising children, but everyone should understand the world around them to the best of their ability. understanding science is important for understanding in general. understanding languages and cultures is important for understanding people.