He took a completely different approach from that of the alchemists of his day. They kept their findings secret or else wrote them in obscure terms that few people outside their closed circle could understand.
Tema mõtteviis erines täielikult tolle aja alkeemikute omast, kes hoidsid oma uurimistulemusi salajas või kirjutasid neist ebamääraselt, nii et vaid vähesed väljaspool nende ringkonda sellest aru said.