Because primarily of the power of the Internet, people of modest means can band together and amass vast sums of money that can change the world for some public good if they all agree.

The greatest progress we have made, and the greatest progress we have yet to make, is in the human heart. In the end, all the world's wealth and a thousand armies are no match for the strength and decency of the human spirit.

It takes a long time to turn a big country around. Just be of good cheer and keep working on it.

This is a good deal for the United States, north Korea will freeze and then dismantle its nuclear program. South Korea and our other allies will be better protected. The entire world will be safer as we slow the spread of nuclear weapons. The United States and international inspectors will carefully monitor North Korea to make sure it keeps its commitments. ...Only as it does, so will North Korea fully join the community of nations.

If we want to invest in the prosperity of our nation, we must invest in the education of our children so that their talents may be fully employed.

We are a nation of immigrants. But we are also a nation of laws. It is wrong and ultimately self-defeating for a nation of immigrants to permit the kind of abuse of our immigration laws we have seen in recent years, and we must do more to stop it.

People ought to be going over this, finding things they don't like. Congress has clearly proved they can act in a hurry. If there's something wrong with it, it can be amended. If something needs to be kicked in, it can be put in. If something needs to be taken out, it can be taken out.