Source: The Psychology of Personal Constructs, 1955, p. 831
“Superstition may be defined as constructive religion which has grown incongruous with intelligence.”
Science and Man.
Fragments of Science, Vol. II (1879)
Help us to complete the source, original and additional information
John Tyndall 40
British scientist 1820–1893Related quotes

Source: Thou Art That: Transforming Religious Metaphor
"Purely Personal Prejudices"
Strictly Personal (1953)

“We do not destroy religion by destroying superstition.”
Nec vero superstitione tollenda religio tollitur.
Book II, chapter LXXII, sec. 148
De Divinatione – On Divination (44 BC)

Surviving the Future, (2016), p. 180, Epilogue http://www.flemingpolicycentre.org.uk/lean-logic-surviving-the-future/

Ten Years' Exile (Dix années d'exil, written 1810–1813, posthumously published 1821), ch. 16