The only certainty is that nothing is certain.
Sentiment: NEGATIVE
In these matters the only certainty is that nothing is certain.
There is no certainty; there is only adventure.
Doubt is not a pleasant condition, but certainty is absurd.
To be absolutely certain about something, one must know everything or nothing about it.
There's a sense in all my novels that nothing is certain.
When nothing is sure, everything is possible.
Without sounding overly pompous about it, I don't really trust certainty in anything, actually. Especially as I get older. Except love. I'm certain of love, I guess.
I am certain there is too much certainty in the world.
There is no such uncertainty as a sure thing.
There is nothing so uncertain as a sure thing.