and here we are again, and again, and again - seems we will never learn.

I can feel the anguish, mate. But, what can be said more? Greed is the poison that destroyed human's soul, for that occurrences are leading to wars. But looks like human endeavour to stop it, failing at most times.

I think, when the time will terminate existences, we would have no time to " learn ", thats paradoxically positive.