genuine和authentic的不同~

genuine和authentic的不同~
想请问英语高手：genuine answer 和 authentic result 怎么翻译?这里的genuine和authentic都有真实的意思,具体有什么不一样呢?
出处在以下两句,求翻译：
1、If one could preserve the spiritual principle of Greek architecture,[and] bring it to terms with conditions of our own epoch…then one could find the most genuine answer to our discussion.
2、Another way of approaching the past was to construct myths of 'origins' and to suggest that one might achieve the most authentic result by returning ti 'beginnings'.
答得好可追加分数~