We must substitute courage for caution. Autore: Martin Luther King Jr. Copy Quote More from Martin Luther King Jr. “People fail to get along because they fear each other; they fear each other bec…” “On some positions, Cowardice asks the question, “Is it safe?” Expediency asks t…” “Justice too long delayed is justice denied.” “The more I thought about human nature, the more I saw how our tragic inclinatio…”