How do you learn?

A fair number of people learn by mistakes. We try things, we fail, but there is knowledge gained in each venture. So many adults fear the attempt. It may not be the truth, but it does seem like the older one gets, the more afraid they become to try something new.

Perhaps that's why my nephew, at two years old, could take his daycare provider's cell phones and make calls. He had no fear. When do we learn that fear? Some of us may never learn it.

There's a difference in learning by mistakes and g...