The congressman insists he didn't tweet a photo of his crotch, but says he "can't say with certitude" it's not of him.
And again it is his worldview that gives him the certitude to preach these lies to millions on a daily basis.
Despite his hunch that aid would be substantial each year, the IDF would not have certitude to plan on.
At first, Weiner wasn't even able to say "with certitude" whether or not the photo in question was of him.
When Russert asked him to confirm that the picture didn't show him, he replied, "I can't say with certitude."
Even doubt rests on certitude; alone with self I cannot get rid of this self.
Since then his slenderness has developed into plumpness and his hope into certitude.
Thereafter he crawled, disappearing in the darkness, though there was certitude in all of them that he had gone over the side.
Our main hope lies just in the certitude that he must come to town sooner or later.
In the current use both of philosophical and popular language, certitude is spoken of in a twofold sense.