bgigliBeruhige Dich. Ich glaube dir ja.
Das wäre ein guter Anlass meine Kenntnisse in Algebra und Mengenlehre wieder aufzufrischen. 
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“There are legends of people born with the gift of making music so true it can pierce the veil between life and death. Conjuring spirits from the past and the future. This gift can bring healing—but it can also attract demons.” (From the movie Sinners by Ryan Coogler)