Sentence examples for cannot know for certain from inspiring English sources
The victims cannot know for certain who tortured them.
And the rest of us cannot know for certain that Madrid would not have snatched victory from defeat, regardless of the red card.
Defense lawyers told the jurors this week that they should not convict the Kimeses of murder, because they cannot know for certain that Mrs. Silverman is dead.
Although we cannot know for certain, it is not unreasonable to believe that Cardinal Newman might have had a loving, stable, long-term same-sex relationship.
But it then went on to make this crucial admission, which did not appear in its original report: We cannot know for certain whether, historically speaking, the area was much more diverse and productive with biogenic reef structures.
Without external corroboration, we cannot know for certain which aspects of Mr. Clarke's or Mr. Miller's account are off the mark -- but we do know enough about memory's sins to implicate the likely culprits.
"But," he wrote, "I cannot release them until I know for certain where Makdissi is and, of course, what he intends to do".
While it may be possible that the third condition has also been met in this PIA, we cannot know this for certain because this would require an in-depth analysis of requirements for the formation of consistent collective judgments in public deliberation settings.
They may happen to be true, but we cannot know this for certain in any particular case.
