Who said "The human spirit cannot be confined by walls."?

This quote is attributed to Rubén Darío.

The human spirit cannot be confined by walls. - Rubén Darío

"The human spirit cannot be confined by walls."

Rubén Darío Freedom

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"

"Freedom to pursue your passion is precious."

"Freedom comes at a cost."

"Order isn't restriction. It's freedom."

"Freedom comes with responsibility"