Who said "Fear is the prison we construct in our own minds."?

This quote is attributed to Rubén Darío.

Fear is the prison we construct in our own minds. - Rubén Darío

"Fear is the prison we construct in our own minds."

Rubén Darío Fear

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"

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."