Noun
The quality, state, or condition, of being certain.
A fact or truth unquestionable established.
Clearness; freedom from ambiguity; lucidity.
Source: Webster's dictionaryThe only certainty is that nothing is certain. Pliny the Elder
A woman's guess is much more accurate than a man's certainty. Rudyard Kipling
I am certain there is too much certainty in the world. Michael Crichton
Who can say with certainty that one will live to see the morrow? Tibetan Proverb
Better the certainty of the straddle than the mere loan of a saddle. Irish Proverb
Pity him who makes an opinion a certainty. Irish Proverb