“The listener couldn't fail to be impressed by the depth and breadth of Morton's knowledge and the sincerity of his views.”

“But I think some decent and sincere people on the Right misunderstand the jocularity around here for a lack of sincerity.”

“Marie looked up at the girl and saw in place of the normally jovial smile an expression of sincerity.”

“What seems to plague both of these films and so many like them is their patent insincerity.”

“Evidence of the speaker's unreliability or insincerity may defeat or override his prima facie warrant for acceptance.”

“Their insincerity is overshadowed only by their maddening desire for success.”

“Even though not all parents can do all that, kids can feel the sincereness of their parents.”

“The more one thinks about the main character's compulsive lack of sincereness, the less the beauty of the story will hold.”

“However, it still has certain limitations such as typing special symbol and delivering emotion and sincereness.”

“It had all the usual insincerities one can expect from them.”