Patriotism is the secret resource of a successful society.

I'm very struck by what you can do in a classroom. I've got 200 students. You don't do partisan politics in a classroom, that's not appropriate. But you want to give them a strong sense that these are the issues that matter.

We must not lose sight of the fundamental issue of policy which is that people who come to the country on visa status must never be abused.

The politics of personal destruction, the politics of division, the politics of fear, it's all there. It helps you to define the politics of moderation - the politics of democratic respect, the politics of hope - more clearly.

There's intense national feeling in America that could be called patriotism.

In academic life, false ideas are merely false and useless ones can be fun to play with. In political life, false ideas can ruin the lives of millions and useless ones can waste precious resources. An intellectual's responsibility for his ideas is to follow their consequences wherever they may lead. A politician's responsibility is to master those consequences and prevent them from doing harm. Michael Ignatieff, a former professor at Harvard and contributing writer for the magazine, is a member of Canada's Parliament and deputy leader of the Liberal Party.

The disagreeable reality for those who believe in human rights is that there are some occasions-and Iraq may be one of them-when war is the only real remedy for regimes that live by terror.