When my former company filed for bankruptcy (Konkurs anmelden), I was really upset. I loved working there and felt a close personal connection to the company. But I have since found a new job with more responsibility and have learnt a lot of things I would never have in my old position. So in the end, I guess every cloud has a silver lining (Wo Schatten ist, ist auch Licht.)
This is an old expression, coined by John Milton in Comus: A Mask Presented at Ludlow Castle, from 1634:
„Was I deceived, or did a sable cloud
Turn forth her silver lining on the night?“
In modern usage, we often shorten the idiom and simply refer to the “silver lining”, the positive aspect of a negative situation.