Harpur found, however, that his duties prevented him from supervising the work on the farm and it became a bad investment.
"I am truly sorry that my duties have prevented an earlier visit."
Those of the crew whose duties prevented their physical presence watched by monitor from their stations.
His curial duties did not prevent him from taking an interest in letters and the sciences.
All of them, every level of Tharnian society, were there unless duty prevented.
During the last decades of the 19th century, Stanford's academic duties did not prevent him from composing or performing.
Unfortunately their duties had prevented them from spending any more time together.
These official duties did not prevent him from involvement in many private projects.
My own duties will prevent my leaving the building for some time.
The duty of politicians is to serve the people and prevent misfortune.