And by the influence of heat, light, and electrical powers, there is a constant series of changes [in animal and vegetal substances]; matter assumes new forms, the destruction of one order of beings tends to the conservation of another, solution… — Humphry Davy Copy Share Image
![“And by the influence of heat, light, and electrical powers, there is a constant series of changes [in animal and vegetal substances]; matter assumes new forms, the destruction of one order of beings tends to the conservation of another, solution and consolidation, decay and renovation, are…” quote by Humphry Davy](https://sms4smile.com/quotes/img-quotes/7a3/humphry-davy-13342_animal_and-by-the-influence-of-heat-light-and-e_2357578.jpg)