It would be a denial of the dignity of human nature and the relative importance of the faculties with which we are endowed, were we to condemn at one time austere reason engaged in investigating causes and their natural connections, and at another that exercise of the imagination which prompts and excites discoveries by its creative powers.
Translated by E. C. Otte, Cosmos: A Sketch of a Physical Description of the Universe (Volume 1), Introduction (p. 78)