A child is looking from a hole upon lots of destroyed books and asking What's this? "WAS IST DAS"? This is a 🔥 comment by the alchemist #Paracelsus about his battles with enemies. The destroyed medical books are the books of his enemies, and the boy looking is the audience judging the wrong authors
As Paracelsus was pioneering in a lot of Renaissance sciences, especially medicine, this comment about to be destroyed "falsch artzenei" (wrong medicine) from his opponents, is a verdict. In 20 years time, the broadside featuring this detail predicts, Paracelsus will be seen and proved as correct.
The boy is the future audience in this image. And the future will see and judge the many wrong opinions. This is how you mock your opponents, #academicchatter.
The detail is from a larger print about Paracelsus, made in 1606 Nuremberg, and the title is Avreolvs Philippvs Theophrastvs Paracelsvs. A copy of this may be found in the ULB Dramstadt, his-Port-H-0151.