They could glow with a merry impish light, or burn with a passionate sincerity and intelligence.

She spoke with a passionate sincerity which must have impressed her listeners.

He has also attracted admirers, who have been impressed by the passionate sincerity of his beliefs.

Stark sways the jury with eloquence, charm and the passionate sincerity that only a true cynic can muster.

No, indeed I do not," Elizabeth said with passionate sincerity.

Despite her misgivings, the passionate sincerity in the girl's declaration of faith struck a chord.

His passionate and austere sincerity acted like a torch upon the young intellectuals of his day.

Wall repeated his story, in a voice of passionate sincerity.

They lauded his "technical skills," as well as his "pure tone and passionate sincerity."

Dr. Perricone made his points with a passionate sincerity and a solicitous bedside manner.