This fills our hearts with optimism.

But for me, I have another reason to be an incurable optimist.

You know, audiences like you, yeah, make the event.

I am by turns an optimist and a pessimist.

An optimist, I'm anything but that.

I'm optimistic.

How dare we be optimistic?

I'm afraid I was too optimistic about the whole thing.

They make me present. They make me ready. They make me strong.

Very happy?

Now I don't mean to be Pollyannaish about this.

Maybe I'm an optimist

You have made me very happy today, Catherine... and I hope you will continue to make me happy.

The pendulum swings from optimism to pessimism and then back again.

DL We're going to play a tune and Natalie's going to accompany me on the piano.

The sense in which I can be uplifting and inspiring I mean, there's always been a kind of a certain grim dimension to the way I try to uplift, so if grim inspiration if grim inspiration is not a contradiction in terms, that is, I'm afraid, the most you can hope for. OK, today that's if I succeed.

That thing gives me a headache.

You see, I've made him very unhappy.

? you make me happy?

Come on. I'll make you happy.

I may be an optimist, but I believe diplomats should be optimists rather than pessimists.

I can make you happy. Let me try.

We should focus on the positive.

We are optimistic that it will.

Well, I'm not an optimist, neither am I a pessimist.

Let's have music that's just for ourselves.

You want me to help you?

I returned an optimist, but without illusions.

I would like to begin my address on an optimistic note.

Now, let's have some music.

They want me on Ed Sullivan?

And I'm really optimistic that this is going to work.

And I therefore believe that optimism is what drives architecture forward.

I would like you to tell me why you are so optimistic.

And that is, I understand that optimists greatly outlive pessimists.

If I do something that makes you happy, I get to share your joy.

I don't want a CD I want the music it plays.

I mean, that's, at least, how it made me happy.

I promise, will make you happy.

My body makes me happy, not proud

I do. Me. I know how to make a club spin.

Orchestras play Taking your breath away

I leave it to you with pleasure.

To show him I'm staying at the Jolly.

Let's go for it, and while we're about it, let's have a bit of fun, for us, for the students and for TED here.