How can you grow courage?

When bravery is the sprint, courage is the marathon. Courage gets you over the great yawning depths of danger through the hardest and most unruly of resistance. Courage you build with little pinches, until you suddenly amassed a mountain that cannot be moved, unless by you. Know that you can have tremendous self-determination that does not depend on circumstances, people of places. It depends on you, on how react, think, move. Courage lies dormant. Find it, wake it and ride it. It can bring you everywhere.