To be in contact with scientists, to become in a small way a scientist myself if possible, perhaps to cast new light on physical phenomena, to be able to uncover what is real and definitive, was my life's great dream.
quoted by Pierre Marage, Grégoire Wallenborn (1999). The Solvay Councils and the Birth of Modern Physics. Birkhäuser Verlag. ISBN 3-764-35705-3.