Any old is new

Any old is new.Depends on your angle of view.More ,ur power of analysis.To what depth and extent.Chinese idiom says that one could learn the new things out of the review of old things .温故知新。From the historical point of view, old n new are two relative stages of phenomena during the evolution of a thing.They may morph into one another in many senses. 化陈为新，推陈出新。新旧互为茅盾而统一。没有后浪，何来前浪？This is The law of Nature.We could not close eyes to deny but respect it.