Physicist Quotes and aphorisms about natural Stephen Hawking Stephen Hawking Richard P. Feynman Niels Bohr Werner Heisenberg Werner Heisenberg ,, It is generally believed that our science is empirical and that we draw our concepts and our mathem... Lawrence M. Krauss Lawrence M. Krauss ,, Philosophy used to be a field that had content, but then 'natural philosophy' became physics, and p... Freeman Dyson Leonard Mlodinow