"If only I had the theorems! Then I should find the proofs easily enough."

This quote is generally attributed to **Bernhard Riemann**. In particular,
on page 9 in *Proofs and refutations* by Imre Lakatos, where it is referred
to page 487 in *Die mathematische Methode. Logisch erkenntnistheoretische Untersuchungen im Gebiete der Mathematik, Mechanik und Physik*. Berlin: Springer, 1924, by Otto H\"older.

I read German but I do not have access to the book by H\"older. Does anyone know the original quote in German? The context? Where does it come from? What is in the book by H\"older?

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