"Total certainty cannot exist in the universe."

At this moment, one certainty alone existed: that was a new menace which must be cleared at once.

All that is certain is that the old certainty no longer exists.

Hume wants to prove that certainty does not exist in science.

Unemployment, matrimonial disruption and financial over commitment have each been suggested as likely contributors to the development of arrears, but little certainty exists as to the relative significance of these factors.

No certainty exists as to Socrates' precise vocation, though it may be inferred from his work that he was a layman.

Is there a certainty except that no certainty exists?

No such certainty exists on the owners' side.

Little certainty exists regarding its etiology.

In brief, from that time, certainty and unity no longer existed in our community, although the great idea still kept us together.