Authors:

Reason is the shadow cast by God; God is the sun.

"Masnavi I Ma'navi: The Spiritual Couplets of Maulána Jalálu-'d-Dín Muhammad Rúmí". Book edited by Edward Henry Whinfield. Book IV, Story IV: "Bayazid and his impious sayings when beside himself", 1898.
Reason is the shadow cast by God; God is the sun.