Who said "Change is the only constant of existence."?

This quote is attributed to Octavio Paz.

Change is the only constant of existence. - Octavio Paz

"Change is the only constant of existence."

Octavio Paz Change

Poet Essayist Mexican 1914–1998

"The poet's task is to imagine that which does not exist."

"Love is an attempt at penetrating another being, but it can only partially succeed because we are all prisoners of our own consciousness."

"Solitude is the profoundest fact of the human condition."

"Man is a being who is trying to become."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."