Children start to understand the world around them at a very young age.

That, at least, was how many Americans had come to understand the new world.

That is how we can understand the world around us.

If you tried to understand their world from a human point of view it all went wrong.

But it's just as big a test for China's old leaders - of whether they really understand the new world they're living in.

Above all, I wanted to understand the world of animals.

Every thought I have is another attempt for me to understand the world.

"I love trying to understand the world around me," he says.

He understood the world in ways she could not even guess at.

They really show us how these people understood the world around them.