Whoever worships, abdicates. Whoever believes at the command of power, tramples his own individuality beneath his feet, and voluntarily robs himself of all that renders man superior to the brute.

Robert Green Ingersoll (1833-1899) American lawyer, freethinker, orator

Lecture (1873-12) “Individuality,” Chicago Free Religious Society
    (Source)

Full title "Arraignment of the Church and a Plea for Individuality." Collected in The Gods and Other Lectures (1876).