Climate change is one of the issues I worry most about because its impacts are enormous. But they're gradual, they're not immediate.

To look at long term trends in our economy, in our society, in the international sphere and using my best judgment, shape policies that will serve the American people, keep them safe, keep our economy growing, put people back to work.

Those who adhere to the ideology of rejecting Israel’s right to exist, they might as well reject the earth beneath them or the sky above, because Israel is not going anywhere.

If somebody is different from you, that's not something you criticize, that's something that you appreciate.

What I consistently say to young people - I say it in the United States, but I'll say it here in Germany and across Europe: Do not take for granted our systems of government and our way of life. I think there is a tendency, because we have lived in an era that has been largely stable and peaceful, at least in advanced countries, where living standards have generally gone up, there is a tendency I think to assume that that's always the case.

Through words he gave voice to the voiceless. Through deeds he gave courage to the faint of heart.

Now let me be clear - I suffer no illusions about Saddam Hussein. He is a brutal man. A ruthless man. A man who butchers his own people to secure his own power. He has repeatedly defied UN resolutions, thwarted UN inspection teams, developed chemical and biological weapons, and coveted nuclear capacity. He's a bad guy. The world, and the Iraqi people, would be better off without him.