"The teachers in government schools do not understand their duty to teach," he said.

Each person buried here understood his duty but also dreamed of going back home to the people and the things he knew.

"I understand my duty, Picard, with greater clarity than you possibly could."

But she understood her duty to herself as a respectable woman.

As I understand my duty, it was to stop him.

"We understand our duty to do all we can to relieve this deep grief."

And we understand our duty in different ways.

Somehow, I'm not really comfortable with how well his people understand their duty, Bart thought.

It was felt that she already understood her duty to protect the interests of the Crown fervently.

There was a time when the rich world seemed to understand its ethical duty to the poor of the earth.