Who said "Change is the only constant in life."?

This quote is attributed to Gérard de Nerval.

Change is the only constant in life. - Gérard de Nerval

"Change is the only constant in life."

Gérard de Nerval Change

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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."