If you come from a wealthy country with open borders, unless you seriously believe you can kill, imprison or occupy all your enemies, you have to make a world with more friends and fewer enemies - with more partners and fewer terrorists.

We live to prove that cooperation works better than conflict.

I don't think I would have become President if it were not for my school music program.

Sincerity? I can fake that.

I experimented with marijuana a time or two.

What we need to do is to have a sensible approach to immigration. It needs to be open. It needs to be non-dogmatic and non-bigoted. We need to be firm but reasonable in the way we deal with the problem of illegal immigration. And we need to try to get as many of our immigrants who want to do so to become citizens as quickly as possible so that the American people will all see that this is a part of the process of American history, which is a good one for our country.

It turns out that advancing equal opportunity and economic empowerment is both morally right and good economics. Why? Because discrimination, poverty and ignorance restrict growth. We know that investments in education, infrastructure and scientific and technological research increase growth. They increase good jobs, and they create new wealth for all of us.