Some philosophers—and those to whom we are indebted for the most stupendous discoveries in physical science, suppose... that intelligence is the mere result of certain combinations among the particles of its objects; and those among them who believe that we live after death, recur to the interposition of a supernatural power, which shall overcome the tendency inherent in all material combinations, to dissipate and be absorbed into other forms.

On a Future State (1815; publ. 1840)