A continuing conversation with other persons, with cultural products, and with oneself, is a large part of what it means to be a human being, in our time and perhaps in all time.

The biggest communities in which young people now reside are online communities.

The biggest mistake of past centuries in teaching has been to treat all students as if they were variants of the same individual and thus to feel justified in teaching them all the same subjects the same way.

Best of all, persons can sometimes be app-transcendent: making dramatic progress or discoveries, without any dependence on any app. In this context, I like to mention Steve Jobs. While he had as much to do as anyone with the invention and development of apps, he NEVER was limited by the current technology - indeed, he typically transcended it and relied on his own considerable wits.

Teaching which ignores the realities of children will be rejected as surely as any graft which attempts to ignore the body's immune system.

Stories are the single most powerful tool in a leader's toolkit.

As a planet, we are at risk of destruction (for example, gradually by the warming of the planet; or rapidly, by nuclear war or a pathogen that gets out of control). And these threats require us to work together, and not just to announce our diversity.