Say no to being on-call 24/7 unless you are an emergency responder. Use a speakerphone, use a headset.

We get dopamine in the brain when we like something a lot. Well, cellphones stimulate dopamine, too. So it really is the case that there are some people who are pretty addicted to these devices.

Cellphone and other wireless radiation should be classified as a "probable human carcinogen."

The question is, do you want to play Russian roulette with your brain?

A young child's brain has a thinner skull and the brain contains more fluid. The more fluid or fat in any material, the more it absorbs microwave radiation.

You can do something really radical, which is turn your phone off and reclaim your private life.

Get in the habit of never putting the phone next to your brain or body unless it's a true emergency.

Just a little bit of exposure to this pulsed digital signal, which is now a cellphone signal, could weaken membranes of the brain.

I don't know that cell phones are dangerous. But I don't know that they are safe.

The younger a cell, the faster it grows, the more vulnerable it is to damage.

Radar, of course, is what cellphone radiation is exactly like. It can be a similar frequency, it's just much weaker power.

Providing employment is the best form of social service, as it serves you, others, your country, your world - the entire society.

Her voice, unfolding like a tiny bright memory in the darkest, furthest corner of my mind.

Right after the show tonight, I'm going to the New York City car show. You get to see the models that will be crashed next year by drunken Secret Service agents.

I give money to Unicef because I like the 'bang for your buck' aspect. Here's $10, go and save 1,000 kids from blindness!

I said, I prefer the ocean when it's gray. Or not really gray. A pale, in-between color. It reminds me of waiting for something good to happen.

It doesn't matter how old you are, there is a little child within who needs love and acceptance.

It is not the simple statement of facts that ushers in freedom; it is the constant repetition of them that has this liberating effect. Tolerance is the result not of enlightenment, but of boredom.

If it is not scary, it is not worth doing.

There are things that bother me. I try not to let them, but they do.

I get some of my best ideas while out walking.