There is no learning without having to pose a question. And a question requires doubt.
Richard P. FeynmanIt is important to realize that in physics today, we have no knowledge of what energy is
Richard P. FeynmanThere is no learning without having to pose a question. And a question requires doubt.
Richard P. FeynmanIt is important to realize that in physics today, we have no knowledge of what energy is
Richard P. Feynman