There are great challenges before you, from the overwhelming nature of climate change to the unfairness of an economy that excludes so many from our collective wealth, and the changes necessary to build a more inclusive and generous Canada. I believe in you.

My friends, love is better than anger. Hope is better than fear. Optimism is better than despair. So let us be loving, hopeful and optimistic. And we'll change the world.

Are we allowed to sing? I imagine that at times, it might improve the tone of the debate.

Treatments and therapies have never been better in the face of this disease. You have every reason to be optimistic, determined, and focused on the future. My only other advice is to cherish every moment with those you love at every stage of your journey, as I have done this summer.

I believe how I live my life every day is my act of worship.

Don't let them tell you it can't be done.

Free speech is one of our fundamental principles and it's pretty hard to speak freely when people are yelling at you when it's your turn. That would never be allowed in a classroom or in any other kind of meeting.