What teenagers want most of all are social rewards, especially the respect of their peers.

I'm afraid the parenting advice to come out of developmental psychology is very boring: pay attention to your kids and love them.

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

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.

Adults often assume that most learning is the result of teaching and that exploratory, spontaneous learning is unusual. But actually, spontaneous learning is more fundamental.

The more obsessively we focus on what a particular food is going to do for us, the less healthy we've become. Simple pleasures become complicated.

The brain is highly structured, but it is also extremely flexible. It's not a blank slate, but it isn't written in stone, either.

Animals are certainly more sophisticated than we used to think. And we shouldn't lump together animals as a group. Crows and chimps and dogs are all highly intelligent in very different ways.

The largest and most powerful computers are still no match for the smallest and weakest humans.

Babies and young children are like the research and development division of the human species, and we grown-ups are production and marketing.

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

We show confidence and faith in our own selves as well as in life when we decide to let go.

Not the comfort, but the confrontation and hardship, is the teacher of a great life.

It is not how much we have, but how much we enjoy, that makes happiness.

Musicians are the architects of heaven.

The worst thing you can do as an artist is to repeat yourself.

Life is cruel. Why should the afterlife be any different? I offer you a choice. Join my crew...and postpone the judgment. One hundred years before the mast. Will ye serve?

Kids are intimidated by the way science and technology is presented. It's made, frankly, quite boring and it becomes part of a curriculum that chases particularly women and minorities away.

That which is achieved the most, still has the whole of its future yet to be achieved.

Having an avatar doesn't give you an identity, and having a persona online doesn't make you a personality either.

Why wouldn't we consider doing to Islamic extremists what Glenn Greenwald does routinely to Republicans?