None speak of the bravery, the might, or the intellect of Jesus but the devil is always imagined as a being of acute intellect, political cunning, and the fiercest courage. These universal and instinctive tendencies of the human mind reveal much. – Lydia M. Child

If we are to survive, we must have ideas, vision, and courage. These things are rarely produced by committees. Everything that matters in our intellectual and moral life begins with an individual confronting his own mind and conscience in a room by himself. – Arthur M. Schlesinger, Jr.

Two qualities are indispensable: first, an intellect that, even in the darkest hour, retains some glimmerings of the inner light which leads to truth and second, the courage to follow this faint light wherever it may lead. – Karl Von Clausewitz