To defeat evil, we may have to traffic in evils: indefinite detention of suspects, coercive interrogations, targeted assassinations, even pre-emptive war.

What really matters is getting new people in. The constitutional changes matter, but the thing that the party mustn't do is turn in on itself and think the thing we've got to do is fix our plumbing. The thing we've got to do is get new people in.

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.

No kid graduating in a political science class in Canada should not understand what's happened to income inequality since the 1970s, period. And then, what do we do about it? It's the biggest problem out there, in all western liberal societies.

Scar Tissue is the only book Ive ever written when Ive felt completely toxic, ill.

I teach students that what people say about failure in politics is mostly wrong. People always told me, 'They'll praise you on your way up and kick you on your way down.' That wasn't my experience. I can't walk down the street in Toronto without someone coming up and saying hello.

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.