"I consider it my duty to go with you," he said.
I consider it my duty to help in any way I can.
He had married her to a duke then considered his duty done.
They also consider it their duty to take part in international peacekeeping operations.
So it was time to consider his second duty.
But I was married with a baby then, and, in 1949, this was considered my first duty.
Once the cathedral itself has been visited, a pilgrim may of course consider his duty done.
Since you consider that your duty, that's what you must do.
At this moment, I consider this goal my duty as a director.
For those reasons, I consider it my duty to abstain from voting.
