"Theoretical physicists live in a classical world, looking out into a quantum-mechanical world. The latter we describe…"

"Physics is to be regarded not so much as the study of something a priori given, but rather as the development of meth…"

"Physicists use the wave theory on Mondays, Wednesdays and Fridays and the particle theory on Tuesdays, Thursdays and …"

"Physics is really nothing more than a search for ultimate simplicity, but so far all we have is a kind of elegant mes…"

"Its utility is to allow us to foresee and to foretell physical phenomena...[I]t suggests definite experiments which m…"

"Star after star from Heaven’s high arch shall rush, Suns sink on suns, and systems systems crush, Headlong, extinct, …"

"The human imagination, including the creative scientific imagination, can ultimately function only by evoking potenti…"

"Mathematical physics represents the purest image that the view of nature may generate in the human mind; this image p…"

"And so in its actual procedure physics studies not these inscrutable qualities, but pointer-readings which we can obs…"

"At present, physicists are enamoured of symmetry and search only for continuous pictures of fundamental physics. Mayb…"