Infiltrate (tear down the walls and the gate)

This is a moment Sherlock will look back to time and again as the future stalks forward; an instance he will use to justify his actions, the decisions he will make. He'd known Moriarty was working solely for his attention, even John had recognized as much during the first assault. But Sherlock has been a fool, a dangerous, incompetent fool, because this is so far beyond all that. It always has been.