I would simply say that "good:" and "evil" are abstract concepts created by humans, and often used to justify their (often deplorable)behavior.
Elvendom is primarily concerned with natural order and thier place in it, on some level. This dose not mean there is no ego involved, but there is an awareness of a place in the schema of things, that may not be shared by most human. A Sense of the awareness of the connectedness.
Male and female principles are part of the dynamic of polarities that make up the whole, but again, one contains the other, like a yin yang.