Hermann von Helmholtz: Quotes about nature

Hermann von Helmholtz was physicist and physiologist. Explore interesting quotes on nature.
Hermann von Helmholtz: 24   quotes 1   like

“The quantity of force which can be brought into action in the whole of Nature is unchangeable, and can neither be increased nor diminished.”

Summarizing the Law of Conservation of Force, in "On the Conservation of Force" (1862), p. 280
Popular Lectures on Scientific Subjects (1881)