Suppose your 1976 sense of moral certitude overrode your natural instinct to want children.

FORBES: Predicting the Future: Part II

Guesses are no substitute for the certitude we need when it comes to such life-and-death matters.

CENTERFORSECURITYPOLICY: The terror next time

First of all, it is a certitude that one or both of these predictable results will eventuate.

CENTERFORSECURITYPOLICY: Call it surrender

This view, which reflects a breathtaking certitude on a variety of complex judgments, assumes away the substance of the controversy.

CENTERFORSECURITYPOLICY: Center for Security Policy | Neither Isolationists Nor Fools, By Richard PerleThe New York Times, 19 October 1999

At the very least, it is a certitude that no one who sees "The Stoning" will ever be quite the same.

CENTERFORSECURITYPOLICY: 'Take My Voice': An everywoman's story from Iran

The following day, in a series of interviews, he said he could not say with "certitude" if the photograph was of him.

CNN: STORY HIGHLIGHTS

What kept her going indefatigably for roughly a half-century in the dog-eat-dog newspaper business was her quiet, unstated, but fully justified certitude that she was making a difference with each layout and the creativity that made it compelling reading.

CENTERFORSECURITYPOLICY: In Honor of Mary Lou Forbes

In her intensity and her certitude, Ms. Crawford calls to mind several of the reformers brought so vividly to life by the late historian Thomas McCraw in his "Prophets of Regulation" (1984), most notably the progressive lion Louis Brandeis.

WSJ: Book Review: Captive Audience

So, I say to you, even as we struggle with this tragedy, even as we grapple with the profound loss and devastating grief, we can look up at the heavens and think of these heroes and know, know with certitude that there is not a single, solitary tragedy that America cannot overcome.

WHITEHOUSE: Vice President Biden Honors Flight 93 Memorial