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.

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.

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.

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

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

Your mind is your spirit

Writing must certainly be one of the hardest professions - writing and painting.

The Russians are fighting for us, for the world, and for their self.

With my support, the House of Representatives recently voted to permanently repeal the death tax so that family farms and businesses can be passed down to children and grandchildren.

We try to keep the beautiful memories, but other things from the past creep up on us.

As the least drop of wine tinges the whole goblet, so the least particle of truth colors our whole life.

I would rather watch a sunset than TV.

A good marriage is at least 80% good luck in finding the right person at the right time. The rest is trust.

I lost my innocence at age eight, so I decided to do the same to as many young girls as I could.

The tiniest dream that you make happen is worth more than the biggest dream that you never attempt.