All behavioral or mood disorders - including depression, OCD, ADHD and addiction - have some neurochemical components, but sufferers can still work to overcome them.

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.

He was all of those things, of course, but none of those things.

When people come to Twitter and they want to express something in the world, the technology fades away. It's them writing a simple message and them knowing that people are going to see it.

... I had never given much credence to the phenomenon of "writer's block". I was more inclined to think of it as "writer's impatience", and to follow Arthur Koestler's dictum: "Soak; and wait.

There should be a balance between material and spiritual progress, a balance achieved through the principles based on love and compassion.

When you read a biography remember that the truth is never fit for publication.

God is always at work around you.

You really need to be on the edge and you have to keep your eyes open.

Will.i.am and I performed at Wango Tango. That's when my daughter said that I had made it in music.

Everywhere, I'm looking to reach elegance and intelligence.

People who talk incessantly about "change" are often dogmatically set in their ways. They want to change other people.