The massive geographic presence of Islam in India can be explained by the tireless activity of Sufi preachers.

One thing that impresses everybody is Helen's tireless activity.

Peppino's struggles were too public and determined for the Mafia to allow his tireless activities to continue.

The men had conspired to slay the priest, due to his tireless missionary activities.

This event, as well as his tireless activity during the campaign, seem to suggest that his health was not the main reason of his departure from the army.

But nothing unusual happened; and, despite the Sergeant's tireless activities, all promising lines of investigation seemed to be automatically closed.

With his usual tireless activity, he supervised the transformation of Lobau island into a huge army base.

She was an outstanding leader in Orthodox feminist circles and deeply committed to the plight of agunot, exemplified by her tireless activities on their behalf.

His tireless activity continued to the end of the war, in conspicuous contrast with the temporizing strategy of Daun and Lacy.

His tireless activity had a lasting effect on the island.