Because we imagine, we can have invention and technology. It's actually play, not necessity, that is the mother of invention.

Scientists learn about the world in three ways: They analyze statistical patterns in the data, they do experiments, and they learn from the data and ideas of other scientists. The recent studies show that children also learn in these ways.

On the Web we all become small-town visitors lost in the big city.

Caring, whether for children or the dying, shouldn't be instrumental. It should be an intrinsic, moral good.

What's it like to be a baby? It's like being in love in Paris for the first time after you've had three double espressos.

The youngest children have a great capacity for empathy and altruism. There's a recent study that shows even 14-month-olds will climb across a bunch of cushions and go across a room to give you a pen if you drop one.

To support the people we care about is intrinsic, it is not instrumental. It's not something we do because we're hoping to get some other outcome.