In mathematics and science definition are simple, but bare-bones. Until you get to a problem which you understand it takes hundreds and… — Benoit Mandelbrot Copy Share Image
The principle of science, the definition, almost, is the following: The test of all knowledge is experiment. Experiment is the sole judge… — Richard P. Feynman Copy Share Image
The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment. — Richard P. Feynman Copy Share Image
Miracles are manifestations for which science has no definition, no analysis. — B. J. Palmer Copy Share Image