And two, if we're willing to be wrong, if we're willing to challenge the conventional wisdom with the best experiments science can offer, we can solve this problem.

The challenge for development efforts is to find methods that allow individuals and communities to solve their own problems the ability of a community to take on more complex social issues is a key indicator of progress.

Will this solve the problem? Will economics solve everything?

What's a problem you want to solve?

This is a problem we have to solve.

We can only solve this through a political solution.

And it is not us who will solve it Afghans have to solve it.

In order to solve the climate crisis, we have to solve the democracy crisis.

The democratic challenge today is, above all, a social and human challenge.

My uncle was a very prominent mathematician, and he told me, Look, there's a problem which I could not solve 25 years ago, and which nobody can solve.

But we don't have a technology to solve that, right?

I want to solve a problem. I want an application.

This is a problem you have to solve by yourself.

Avoiding a problem isn't going to help you solve it.

Could you possibly suggest a way to solve the problem?

We need to reframe the challenge that is facing Africa, from a challenge of despair, which is called poverty reduction, to a challenge of hope.

A challenge, of course.

That's a huge challenge.

And what you see here is a mouse trying to solve a maze.

This raises another challenge of technological innovation we will need to support the transfer of proven technologies to poorer countries. If rich countries monopolize new technologies, the goal of worldwide use to solve worldwide problems will be defeated.

So our first challenge was to find these things, and that was a challenge, indeed.

And this is a challenge.

So that became a challenge.

It's important because if you solve these problems, you can solve the problems of poverty in the world.

How do we solve it?

He wants to solve ethics.

Because we can't solve problems.

Could you solve the problem?

So how do we solve?

Nobody can solve this problem.

Can you solve this problem?

I just can't solve it.

Can you solve this puzzle?

A puzzle is a problem that is fun to solve and has a right answer.

The simplest way is often the best way to solve a problem.

A challenge that can pull from us more than we knew we could do? I think we ought to approach this challenge with a sense of profound joy and gratitude that we are the generation about which, a thousand years from now, philharmonic orchestras and poets and singers will celebrate by saying, they were the ones that found it within themselves to solve this crisis and lay the basis for a bright and optimistic human future.

And we've got to get them all right, because if we solve 11, we fail to solve the 12th we're in trouble. For example, if we solve our problems of water and soil and population, but don't solve our problems of toxics, then we are in trouble.

I mean, if you had to solve one of these problems, Chris, which would you solve? Terrorism or poverty?

And I think that what connects the challenge for civil society, the challenge for governments and the challenge for business now is, in a way, a very simple one, but quite a difficult one.

It's a challenge to our ingenuity.

That's a challenge. I like this.

So that's a tough challenge, right?

I think it's a great challenge.

However, poverty remained a major challenge.

A number of complex management and budgetary problems would take longer to solve.