Max Planck Quote

A process which in no manner can be completely reversed I called a "natural" one. The term for it in universal use today is: "Irreversible."

Scientific Autobiography and Other Papers, A Scientific Autobiography (p. 17), Philosophical Library. 1949

A process which in no manner can be completely reversed I called a natural one. The term for it in universal use today is: Irreversible.

A process which in no manner can be completely reversed I called a natural one. The term for it in universal use today is: Irreversible.

A process which in no manner can be completely reversed I called a natural one. The term for it in universal use today is: Irreversible.

A process which in no manner can be completely reversed I called a natural one. The term for it in universal use today is: Irreversible.