Missing a quote of Frederic Joliot-Curie, quoted by M.A. Markov, "A Random Walk in Science" compiled by R. L. Weber, edited by E. Mendoza?

Know another good quote of Frederic Joliot-Curie, quoted by M.A. Markov, "A Random Walk in Science" compiled by R. L. Weber, edited by E. Mendoza? Don't keep it to yourself!