Che Guevara — "Silence is argument carried out by other means."

"There are no frontiers in this struggle to the death. We cannot remain indifferent in the face of what occurs in any part of the world. A victory for any country against imperialism is our victory, ju…"

"In times of excessive tension we cannot proceed weakly. At the Sierra Maestra, we executed many people by firing squad without knowing if they were fully guilty. At times, the Revolution cannot stop t…"

"To conquer without risk is to triumph without glory."

"One has to grow hard but without ever losing tenderness."

"The U.S. is the great enemy of mankind! Against those hyenas there is no option but extermination!"