“Courage, Merry. Courage for our friends.”

courage(n.)

c. 1300, corage, "heart (as the seat of emotions)," hence "spirit, temperament, state or frame of mind," from Old French corage "heart, innermost feelings; temper" (12c., Modern French courage), from Vulgar Latin coraticum (source of Italian coraggio, Spanish coraje), from Latin cor "heart" (from PIE root kerd- "heart")