He also possessed Aurelius' curious innocence in battle: the fearless forgetting which led him to attempt and to achieve the impossible. This would, … - Stephen R. Lawhead

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He also possessed Aurelius' curious innocence in battle: the fearless forgetting which led him to attempt and to achieve the impossible. This would, of course, come to be noticed much later. But even now he could be seen to exhibit a certain disregard for his own safety. I recognized it well, and knew its source, for I had ridden with Aurelius.
In anyone else it would have been called carelessness. Or foolishness, more like. But it was never that. Arthur simply did not feel afraid. Daring, bravery, boldness, valor - these are qualities of overcoming fear.
What is it, then, when there is no fear?