Doctors sometimes draw maps of other parts of you, and your own map can become intensely interesting, but catch them trying to draw a map of a child's mind, which is not only confused, but keeps going round all the time.

And what would Charlie do... now that we're so close... to answering the most meaningful questions... ever asked by mankind?

Archie felt rejected by his father, so the acceptance of an older male meant a lot to him.

If life exists on Europa, it will be the single most profound discovery in human history.

I realize now that my family's safety will mean nothing if I let this dreadful act occur.

There are five of them, and in order to get to the really deep ones, the meaningful ones, you have to go through the early ones.

Dobzhansky, who was also a communicant in the Russian Orthodox Church, once wrote an essay that he titled "Nothing in Biology Makes Sense Except in the Light of Evolution."

And it goes: "Every man's death affected me, for I am involved in mankind, send not to ask for whom the bell tolls, it tolls for thee."

And when I asked her what the term meant, she spent what felt like an hour giving me a thorough and thoughtful explanation that would make sense to a small child.

But there have always been, in Islam, a small group, a minority, who believe that jihad is not only an internal struggle but also an external struggle against forces that would threaten the faith, or the faithul.

He's a graduate student in philosophy, and he's set up a website called 80, 000 Hours, the number of hours he estimates most people spend on their career, to advise people on how to have the best, most effective career.

It's no use having that kind of raw ability without the technique, and luckily, Derek, you decided that, once we did start learning, you'd let me help you learn all the scale fingerings.

So I make the argument that we reframe teacher education, that we could focus on content, and that's fine, and we could focus on theories, and that's fine, but content and theories with the absence of the magic of teaching and learning means nothing.

And I understood that could also represent the rift between one generation and the next, between people like me and my father's generation, but there's no tradition in Caribbean life of memoirs or biographies.

Tonight, I'm going to try to make the case that inviting a loved one, a friend or even a stranger to record a meaningful interview with you just might turn out to be one of the most important moments in that person's life, and in yours.

By 11 o'clock they had called numbers 21 through 25; this was going to be a while, and there is no amount of free face painting or temporary tattoos that could prevent the meltdowns that were occurring outside of the store.

Both he and Udo are restricted by the political conditions of their parents' countries, from living where some of their most meaningful rituals and relationships occur.

We're much more likely to do things like yell at our spouse or kids when we're stressed out or tired, even though we know it's not going to be helpful.

I love those experiments, but I think that the most profound and life-changing experiment that I've done is my most recent experiment, where I spent a year trying to follow all of the rules of the Bible, "The Year of Living Biblically."

Your plan is simple: you’ll use the left lever to count visits, and the right lever will have no meaning, so there’s no harm in moving it up or down.

It can also, I think, finally reveal the most profound ideas to us about our place in the universe and really the value of our home planet.

So what we conceive as a meaning is always not there; it's on the other side, even when we say dark, light, good, bad, tall, short -- all meaning it doesn't exist in reality.

In fact, urban migration now describes the movement of animals formerly known as wild into urban centers.