Max Planck Quotes
Both religion and natural science require a belief in God for their activities, to the former He is the starting point, and to the latter the goal of every thought process. To the former He is the foundation, to the latter, the crown of the edifice of every generalized world view.
Planck, Max. "Religion and Natural Science." Scientific Autobiography and Other Papers, translated by Frank Gaynor, Philosophical Library, 1949, p. 184.
This quotation is familiar, but there is a question concerning its veracity and source. It does not appear in Heisenberg's written works, but it is cited by Ulrick Hildebrand in 'Das Univerzum - Hinweis auf Gott?' in 'Ethos. Die Zeitschrift fur die Ganze Familie', Berneck, Schweiz: Schwengeler Verlag AG, No 10, Oktober 1988, 10
Max Karl Ernst Ludwig Planck, ForMemRS was a German theoretical physicist whose discovery of energy quanta won him the Nobel Prize in Physics in 1918.