This is one of the stout-hearted old warriors: he is angry with civilization because he supposes that its aim is to make all goodthings--honors, treasures, beautiful women--accessible even to cowards.
I can see in the acorn the oak tree. I see the growth, the rebuilding, the restoring. I see that is the American psyche. There is so much we can draw understanding from. One of the lessons is the development of courage. Because without courage, you can't practice any of the other virtues consistently.
Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know!
As to moral courage, I have very rarely met with the two o'clock in the morning kind. I mean unprepared courage, that which is necessary on an unexpected occasion, and which, in spite of the most unforeseen events, leaves full freedom of judgement and decision.