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But like I said, we later made a movie here. Which did not go unnoticed on campus. In fact I’d like to read you some actual lines, some selected passages, from the review of Good Will Hunting in the MIT school paper.

Oh, and if you haven’t seen it, Will was me, and Sean was played by the late Robin Williams, a manI miss a hell of a lot.

So I’m quoting here: “Good Will Hunting is very entertaining; but then again, any movie partially set at MIT has to be.”

There’s more. “In the end...,” the reviewer writes,

“the actual character development flies out the window. Will and Sean talk, bond, solve each other’s problems, and then cry and hug each other.After said crying and hugging, the movie ends... Such feel-good pretentiousness is definitely notmy mug of eggnog.”

Well, this kind of hurts my feelings.

But don’t worry: I now know better than to cry at MIT.

But look, I’m happy to be here anyway. I might still be a knee-jerk teenager in key respects, but Iknow an amazing school when I see it. We’re lucky to have MIT in Boston. And we’re lucky it drawsthe people it does, people like you, from around the world.

I mean, you’re working on some crazy stuff in these buildings. Stuff that would freak me out if I actually understood it. Theories, models, paradigm shifts.

I’ll tell you one that’s been on my mind: Simulation Theory.

Maybe you’ve heard of it. Maybe you took a class with Max Tegmark.

Well, for the uninitiated, there’s a philosopher named Nick Bostrom at Oxford, and he’s postulated that if there’s a truly advanced form of intelligence out there in the universe, then it’s probably advanced enough to run simulations of entire worlds — maybe trillions of them — maybe even ourown.

The basic idea, as I understand it, is that we could be living in a massive simulation run by a far smarter civilization, a giant computer game, and we don’t even know it.

And here’s the thing: a lot of physicists, cosmologists, won’t rule it out. I watched a discussion thatwas moderated by Neil deGrasse Tyson, of the Hayden Planetarium, and by and large, the panel couldn’t give a definitive answer. Tyson himself put the odds at 50-50.

I’m not sure how scientific that is, but it had numbers in it, so I was impressed.

Well, it got me to thinking: What if this—all of this—is a simulation? I mean, it’s a crazy idea, butwhat if it is?

And if there are multiple simulations, how come we’re in the one where Donald Trump becomes the Republican nominee?

Can we, like, transfer to a different one?

Professor Tegmark has an excellent take on all this. “My advice,” he said recently,

“is to go out anddo really interesting things... so the simulators don’t shut you down.”

But then again: what if it isn’t a simulation? Well, either way, my answer is the same.

Either way, what we do matters. What we do affects the outcome.

So either way, MIT, you’ve got to go out and do really interesting things. Important things. Inventive things. Because this world ... real or imagined ... this world has some problems we needyou to drop everything and solve.

Go ahead: take your pick from the world’s worst buffet.

Economic inequality, there’s a problem ... Or how about the refugee crisis, massive global insecurity... climate change and pandemics ... institutional racism ... a pull to nativism, fear-driven brainsworking overtime ... here in America and in places like Austria, where a far-right candidate nearly won the presidential election for the first time since World War II.

Or Brexit, for God’s sakes, that insane idea that the best path for Britain is to cut loose from Europe and drift out to sea. Add to that an American political system that’s failing... we’ve got congressmen on a two-year election cycle who are only incentivized to think short term, andsimply do not engage with long-term problems.

Add to that a media that thrives on scandal and people with their pants down ... Anything to get you to tune in so they can hawk you products that you don’t need.

And add to that a banking system that steals people’s money.

Like I said, I’m never running for office!

But while I’m on this, let me say this to the bankers who brought you the biggest heist in history: It was theft and you knew it. It was fraud and you knew it.

And you know what else? We know that you knew it.

And yeah, OK, you sort of got away with it. You got that house in the Hamptons that other peoplepaid for ... as their own mortgages went underwater.

Well, you might have their money, but you don’t have our respect.

Just so you know, when we pass you on the street and look you in the eye ... that’s what we’rethinking.

I don’t know if justice is coming for you in this life or the next. But if justice does come for you in this life ... her name is Elizabeth Warren.

OK, so before my banking digression, I rattled off a bunch of big problems.

And a natural response is to tune out, turn away.