And I want to start by giving you some examples of visual illusion as a metaphor for rationality.

This idea is a misperception, and makes no sense.

Besides, I'm worried about him. I think he's about to make a big mistake.

And that third idea, that we will never have to be alone, is central to changing our psyches.

Make me feel so good

The Debt Delusion

Psychoanalysis doesn't recognize the booboo as such.

But the nice thing about visual illusion is we can easily demonstrate mistakes.

I grant you, it may have been some form of psychic delusion... but I was stonecold sober from first to last and extremely upset into the bargain.

As a matter of fact, I think a lot of my design ideas come from mistakes and tricks of the eye.

The Great Illusion

I think yes.

Yes. I think so.

Because in visual illusions we can easily demonstrate the mistakes in cognitive illusion it's much, much harder to demonstrate to people the mistakes.

Beau Lotto Optical illusions show how we see

I don't think he was right.

Not bad, says I.

I thought he was fine.

It feels good.

The manager's very worried that there has been a mistake.

So what is the intuitive, but incorrect assumption, that's kept us from understanding brains?

Germany s Gold Delusion

That's false sentimentality.

I think they're wrong.

I think he's a nice guy.

Do you think I'm wrong? Say so!

My ideas go along the same lines

Yes, I felt shame.

I think he's great.

I found him nice.

I always felt good with Dick Feynman.

It does feel like something to be wrong it feels like being right.

Well, I feel fine. I was beginning to think I had the measles the way you've been staying away.

Make me feel so good right now

It's very ingenious, as all Freudian arguments are but didn't make much sense because I have seen the same delusion, a patient having the same delusion, about his pet poodle.

That was a nice thing to get.

Make no mistake.

Don't you think you've done something wrong?

I discovered that you've been speaking the truth.

They soon learn what is wrong with other people.

You see?

I think I like Jeremiah McGonigle.

You liked it once.

I'm sure she must be mistaken.

Some folks think he done wrong.