There can be no great courage where there is no confidence or assurance, and half the battle is in the conviction that we can do what we undertake. – Orison Swett Marden

The only service a friend can really render is to keep up your courage by holding up to you a mirror in which you can see a noble image of yourself. – George Bernard Shaw

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

Genius is talent set on fire by courage. – Henry Van Dyke