What did Nietzsche mean when he said, “All writing is useless that ...

"Not all writing is worth reading. Just because someone can put words on a page doesn’t mean they are worth reading or add value."

— Schopenhauer’s Strategy Against Clickbait

It is only the man who writes absolutely for the sake of the subject that writes anything worth writing. What an inestimable advantage it would be, if, in every branch of literature, there existed only a few but excellent books!

A man who writes carelessly at once proves that he himself puts no great value on his own thoughts.