An intellectual may be interested in ideas and policies for their own sake, but a politician's interest is exclusively in the question of whether an idea's time has come.

Public service does not necessarily mean service in the House of Commons, and public service is not synonymous with partisan political activity. It comes in a thousand colours, but the common denominator is: it's not about me - it's about we.

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.

Genocide is not just a murderous madness; it is, more deeply, a politics that promises a utopia beyond politics - one people, one land, one truth, the end of difference. Since genocide is a form of political utopia, it remains an enduring temptation in any multiethnic and multicultural society in crisis.

You can't get back to power by defining your project in negative terms. But it helps to have somebody in office who represents the opposite of what you believe.

Those with a gift for action, for their part, often express contempt for those whose gifts are more reflective. Men of action like to say, Those who can, do, those who cant, teach, forgetting that those who teach get to write the history books.

It's good for people to believe in causes larger than themselves.