Without persistence, principles are meaningless. Because one day your dream may come true. And if you cannot keep that dream alive in the interim, th… - Malcolm Gladwell

We can admire Curtis LeMay, respect him, and try to understand his choices. But Hansell is the one we give our hearts to. Why? Because I think he provides us with a model of what it means to be moral in our modern world. We live in an era when new tools and technologies and innovations emerge every day. But the only way those new technologies serve some higher purpose is if a dedicated band of believers insists that they be used to that purpose.

In the end, Tipping Points are a reaffirmation of the potential for change and the power of intelligent action. Look at the world around you. It may seem like an immovable, implacable place. It is not. With the slightest push — in just the right place — it can be tipped.

Minor, seemingly insignificant quality-of-life crimes, they said, were Tipping Points for violent crime.