Who said "Nature teaches us that change is the only constant."?

This quote is attributed to Rubén Darío.

Nature teaches us that change is the only constant. - Rubén Darío

"Nature teaches us that change is the only constant."

Rubén Darío Change

Poet Nicaraguan 1867–1916

"I am my own road"

"I seek the divine in all things"

"The poet is a light and a flame"

"To be a poet is to possess wings"

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."