The Genesis of Chemistry.
Project Gutenberg EPUB3 edition
H. Stanley Redgrove
Testimony such as this warns us not to be too sure that a real transmutation has never taken place. On the whole, with regard to this question, an agnostic position appears to be the more philosophical.
Source notes
[87]J. F. Helvetius: The Golden Calf, ch. iii. (see The Hermetic Museum, vol. ii. pp. 283 et seq.).