If he stopped pushing the edge, then the edge would be a lot closer in. Our words would be much safer, much less interesting, less meaningful. Does moving the line in the sand mean that you have to step across it sometimes, kick the shit out of it sometimes, erase it completely, start over, say, "what line, where?" Sure.
So? Grow.
More than anything else, he has, by example, encouraged us to give ourselves permission to risk, to be outrageous, to be kind, to show our hearts and our messy guts. Our "blood-intenstines," as Jenna would say.
Now, we're off to take the Bean to the zoo, with a heartfelt thank you to another blog of heart.