Who said "I am the shadow, the doubt that haunts every certainty."?

This quote is attributed to Gérard de Nerval.

I am the shadow, the doubt that haunts every certainty. - Gérard de Nerval

"I am the shadow, the doubt that haunts every certainty."

Gérard de Nerval Philosophy

Poet Writer French 1808–1855

"I am the shadow, and I am the light; I am what you fear and what you desire."

"Every man has a shadow which follows him as his faithful companion."

"We are all mad, but the question is whether we are mad enough."

"Love is the poetry of the senses."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."