1.   Nothing about his behavior leads me to doubt his sincerity.

2.   While there were clearly political motives involved, there seems no reason to doubt his sincerity.

3.   And who could doubt their sincerity?

4.   But I never doubted their sincerity.

5.   But relatives of the victims reacted with bitterness, saying they doubted his sincerity.

6.   But Perry said church leaders, including George, had no animosity for Pfleger, and did not doubt his sincerity.

7.   But the harsher version could be introduced if the Security Council doubts the sincerity of the announcement from Belgrade.

8.   But while we bask in the warmth of our pets and never doubt their sincerity, society tends to trivialize this relationship.

9.   But Torgerson said she doubts his sincerity.

10.   Few people who know him doubt his sincerity.