Everyday interactions we have with other people are definitely contagious, in terms of happiness.

It used to be thought that our genes were historically immutable and that it was not possible to imagine a conversation between culture and genetics.

It is well to look around at whom, and not just what, surrounds us. Population structure will change everything. Our health, wealth, and peace depend on it.

What constrains or enables the capacity of human beings to work in groups is not so much the technology, but rather the capacity of the human brain to have and monitor social interactions.

We cannot understand our humanity just by studying individuals.

The reason we form networks is because the benefits of a connected life outweigh the costs. It's to our advantage as individuals and a species to assemble ourselves in this fashion.

I like to have met someone in real life before being their Facebook friend.

It's fashionable to speak about vulnerable populations in medicine and public policy, but it's harder to find a more vulnerable population than those who are dying.

People have just assumed that... if we call our Facebook acquaintances our friends, we must be influenced by them, too. But we're not.

My entire youth was spent with an incredibly ill parent... I don't think you can grow up that way and not be marked by that experience.

Social networks are these intricate things of beauty, and they're so elaborate and so complex and so ubiquitous that one has to ask what purpose they serve.

Can we unite against ourselves for our own higher interest?

He who conquers others is strong; he who conquers himself is mighty" - Lao-tsu One who can control his thoughts has conquered himself.

You know why Madison Avenue advertising has never done well in Harlem? We're the only ones who know what it means to be Brand X.

My biggest addictions have been chocolate cake, mashed potatoes, and butter sandwiches.

It is a sad thing when you hear Christians with a groan in them. When I meet the groaner, I say in my heart, "God, move that man on into the place where he comprehends what Christianity is."

Talk to people in their own language. If you do it well, they'll say,"God, he said exactly what I was thinking." And when they begin to respect you, they'll follow you to the death.

Rudeness is what gets to me [when someone being rude to me in a supermarket]. Yeah. That one does get to me, I have to say.

Lord, where we are wrong, make us willing to change; where we are right, make us easy to live with.

Most suits made the man. Gideon did things to a three-piece suit that should've been illegal.

The business of everybody is the business of nobody.