Karl Popper Quote

Darwinism is not a testable scientific theory, but a metaphysical research program.


Unsourced variant: Evolution is not a fact. Evolution doesn't even qualify as a theory or as a hypothesis. It is a metaphysical research program, and it is not really testable science. - Unended Quest: An Intellectual Autobiography (1976)


Darwinism is not a testable scientific theory, but a metaphysical research program.

Darwinism is not a testable scientific theory, but a metaphysical research program.

Darwinism is not a testable scientific theory, but a metaphysical research program.

Darwinism is not a testable scientific theory, but a metaphysical research program.