  The work On the ‘On Activity’ by Zosimus; all that has been said by Hermes and the Philosophers should be regarded as a spurious work. For an edition see: Bertholet, M. and Ruelle, C.-M. (1888) Collection des anciens alchemistes grecs, vol. III, Paris: Steinheil, pp. 69–104. French translation in vol. II, pp. 75–113.