So there's the optimism.

So optimism changes subjective reality.

I'm going to talk to you about optimism or more precisely, the optimism bias.

That very optimism is uniquely American.

And there are great moments of optimism.

Spread

Spread the ideas. Spread the light.

Sinilin spread... What did he spread?

My father chose not to disturb my optimism.

Instead, there was a litany of astonishing optimism.

But there's also a wonderful case for optimism.

Come on. Let's keep a little optimism here.

There is considerable optimism that the economy will improve.

So all in all, optimism has lots of benefits.

Perhaps we should say the same thing about optimism.

However, undeterred due to my teenage optimism (Laughter) (Applause)

Certainly, nothing can give you more optimism than that.

Line spread

Spread Sheet

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But private optimism about our own personal future remains persistent.

Optimism leads to success in academia and sports and politics.

And maybe the most surprising benefit of optimism is health.

Optimism is sometimes characterized as a belief, an intellectual posture.

But now let's look at the case for optimism. (Laughter)

Spread Sheet Document...

Don't spread rumors.

I spread knowledge.

Spread the word.

Spread out everybody.

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

And this hope, this optimism, endured a year of turbulent transition.

And linen spread out.

And carpets ready spread,

And carpets spread around.

And silken carpets spread.

and well spread carpets.

And carpets spread out.

and carpets spread out.

In parchment spread open

And rich carpets spread.

Mom spread the table.

The news quickly spread.

The news quickly spread.

That rumor soon spread.