Well, I think of the folks who are the climate deniers as the flat Earthers and the people who say the moon landings never happened.

Jellyfish serve as a model for bioengineers for the same reason yeast were once so valuable to geneticists: they're simple to deconstruct.

There's no such thing as downtime for your brain.

Your parents leave you too soon and your kids and spouse come along late, but your siblings know you when you are in your most inchoate form.

Vaccines save lives; fear endangers them. It's a simple message parents need to keep hearing.

From the time we're born, our brothers and sisters are our collaborators and coconspirators, our role models and our cautionary tales.

Confidence quickly curdles into arrogance; smarts turn to smugness, charm turns to smarm.

It's not mere extremism that makes folks at the fringes so troubling; it's extremism wedded to false beliefs. Humans have long been dupes, easily gulled by rumors and flat-out lies.

There's a universe inside your head - a place of pictures and passions, of songs and sorrows. It's everything you are - and it's an utter mystery.

When we're awake, cortisol can fragment memories - one reason eyewitness crime scene accounts are so unreliable. But at night that very fragmentation allows creative recombinations of ideas.

In both children and adults, there can be a hard-to-deny link between a robust sense of hope and either work productivity or academic achievement.

I don't care a hang for any cat that hasn't stripes.

Being religious means asking passionately the question of the meaning of our existence and being willing to receive answers, even if the answers hurt.

People are zealous for a cause when they are not quite positive that it is true.

Better off dead than giving in; not taking what you want.

Everybody is influenced by someone.

The reality is that we do not have an air traffic control system that is smart enough and technologically capable enough to be able to handle that kind of demand.

Individually, I always want to give the most.

Egypt, the Egypt of antiquity, at a later time, exercised a mysterious fascination over me. I recognized a picture of it immediately, without hesitation and astonishment, in an illustrated magazine.

And I'd like to say to the Senate, I hope you will say yes to a stronger American democracy in the year 2000.

Buy a stock, if it goes up, sell it, if it goes down, don't buy it.