Niels Bohr Quotes about Physics
How wonderful that we have met with a paradox. Now we have some hope of making progress.
"Niels Bohr: The Man, His Science, and the World They Changed". Book by Ruth Moore, 1966.
"The Philosophical Writings of Niels Bohr, Volume IV: Causality and Complementarity" edited by Jan Faye and Henry J. Folse (1998); later quoted in Karen Michelle Barad "Meeting the Universe Halfway: Quantum Physics and the Entanglement of Matter and Meaning" (p. 254), 2007.