Fancy has an extensive influence in morals. Some of the most powerful and dangerous feelings in nature, as those of ambition and envy, derive their principal nourishment from a cause apparently so trivial. Its effect on the common affairs of life is greater than might be supposed. Naked reality would scarcely keep the world in motion.

Aphorisms and Reflections: A Miscellany of Thought and Opinion (ed. 1843)