You will have to experiment and try things out for yourself and you will not be sure of what you are doing. That's all right, you are feeling your way into the thing.
Is there one specific source that determines correct morality and everybody should follow that? Or should individuals come up with following that source or not depending on their situation?
Momo listened to everyone and everything - even to the rain and the wind and the pine trees - and all of them spoke to her after their own fashion.