Who said "Courage is the decision to speak despite the cost."?

This quote is attributed to Rodolfo Walsh.

Courage is the decision to speak despite the cost. - Rodolfo Walsh

"Courage is the decision to speak despite the cost."

Rodolfo Walsh Courage

Novelist Journalist Argentine 1927–1977

"Journalism is the first draft of history"

"To know is to act"

"The truth is like a lion; you don't have to defend it. Let it loose; it will defend itself"

"Words are the only bullets that pierce the heart without leaving a mark"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."