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

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.

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.

No one ever pretended that shopping for anything is a rational experience. If it were, would there be Fluffernutter? Laceless sneakers? Porkpie hats? Would the Chia Pet even exist?

Your imagination, your will, your conscience – these are almighty – they make you achieve things that no human being has ever achieved in history.

The more you live in the light, the more you will flourish.

Engineering is too important to wait for science.

True healing is realizing you were never sick in the first place

For me the Blu-ray version is kind of the definitive version of the movie.

The worst insult I can inflict on life is that I do not reflect on its meaning.

I will maintain it before the whole world.

I kept looking for happiness, and then I realized: This is it. It's a moment, and it comes, and it goes, and it'll come back again. I yearn for things, but at the same time I'm just peaceful.

Mastery is in the reaching, not in the arriving.

The possession of wealth confers honor; it is an invidious distinction.