An extended period of calm on the bond markets has led many to conclude the euro crisis is over. But German central bank head Jens Weidmann says in an interview that the coast still isn’t clear and that there is still great need for reforms.

SPIEGEL: Mr. Weidmann, you are notorious for being a tough critic of European Central Bank President Mario Draghi. But the euro crisis seems to be over, largely thanks to ECB intervention. Has he not been proven right?