@deepthot,
Hi Deepthot
I am trying to remember the context...oh yeah, Richrf basically says 'things are always changing therefore any statement is as likely as any other to be true' or something like that. Heraclitus and Taoism. So I was saying, there are some constants, 'some things never change'.
For example: humans are fundamentally selfish. They are born that way, and in some respects survival seems to demand it. It is a very deep characteristic of the human psyche. Probably it is from evolutionary psychology. This goes for humans anywhere - ancient or modern, east or west. Cultures try various means to ameliorate or accomodate this tendency but it is very hard to overcome.
There are many other undesirable elements of 'human nature' that are pretty well constant. Jealously, craving, avarice - I am pretty sure if you could survey human populations anywhere, in any time period, you would find a lot of these core tendencies. I'm pretty sure you would find some of them amongst chimps and gorillas.
This is not to say that these can't be changed, or that some societies are not better at dealing with them than others. But they run deep. It's 'human nature'.
Given that this is so, it is not surprising that the 'core ethical teachings' of many of the religious traditions are very similar in respect to dealing with these aspects of human nature. The Mosaic tradition has the parable of 'the fall'. Buddhists and Hindus allegorise the human condition as a condition marred by ignorance, avidya. And the 'Golden Mean' - Do Unto Others - has been independently devised in many different traditions in response to the human condition.
So I really think there are perennial issues, and likewise a perennial philosophy, if you will, which addresses them. This does not prevent us from re-discovering or re-creating them as new for each generation. But even so - some things will never change.