Who said "To understand nature is to understand ourselves."?

This quote is attributed to Rubén Darío.

To understand nature is to understand ourselves. - Rubén Darío

"To understand nature is to understand ourselves."

Rubén Darío Nature

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"

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."