If you only think about yourself - how much money can I make, what can I buy, how nice is my house, what kind of fancy car do I have? - over the long term, I think, you get bored. I think your life becomes diminished. The way to live a full life is to think: What can I do for others?

With respect to the Internet and emails, this does not apply to U.S. citizens and it does not apply to people living in the United States.

A man who took history in his hands, and bent the arc of the moral universe toward justice.

Now is not the time to gut these job-creating investments in science and innovation. Now is the time to reach a level of research and development not seen since the height of the Space Race.

It is very rare I come to an event where I’m like the fifth or sixth most interesting person.

We have to find ways in which, collectively, we agree there's some things that government needs to do to help protect us, that in this age of non-state actors who can amass great power, I want my government - and I think the German people should want their government - to be able to find out if a terrorist organization has access to a weapon of mass destruction that might go off in the middle of Berlin.

Palestinians will never realize their independence by denying the right of Israel to exist.