He learnt for the first time that there was no law of transmutation, as in his innocence he had supposed (there was, in some degree, but the grammarian did not recognize it), but that every word in both Latin and Greek was to be individually committed to memory at the cost of years of plodding.
Source: tatoeba (11514178)
Charles Darwin’s personal life was also expanding. In eighteen thirty-nine, he married Emma Wedgwood, his cousin. He told her his ideas about how species evolve over time — what he called the transmutation of species.
Source: tatoeba (12192329)
Up I rose and forth I fared: / Took my plunge within the bath-pool, pacified the watch-dog scared, / Saw proceed the transmutation—Jura's black to one gold glow, […]
Source: wiktionary
The transmutation of metals was secondary to the main aim, which was the spiritual transformation of the adept.
Source: wiktionary
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