It has been said. 

All that is truth or are lies

Had been said. 

Anything that was ever poetic or polite

Has been said. 

Anything that was ever barbaric or brilliant

Has been said. 

Anything that has ever been remembered

Or forgotten

Has been said.

So, say no more  

Lest you repeat stock with conviction

And further muddy the waters of knowledge 

With repetition.