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Paracelsus (1493–1541)

Painting of alchemist and physician Paracelsus by Quentin Matsys

Over 400 years ago, alchemist and physician Paracelsus said: “All substances are poisons; there is none that is not a poison. The right dose differentiates a poison from a remedy.”

Rights: Public domain
Published:04 September 2012Size: 26.19 KB