There is no such uncertainty as a sure thing.
Sentiment: NEGATIVE
There is nothing so uncertain as a sure thing.
Uncertainty's not good for anybody.
No one likes uncertainty.
If there's one thing that's certain in business, it's uncertainty.
There will be very few occasions when you are absolutely certain about anything. You will consistently be called upon to make decisions with limited information. That being the case, your goal should not be to eliminate uncertainty. Instead, you must develop the art of being clear in the face of uncertainty.
When nothing is sure, everything is possible.
There's a certain kind of scepticism that can't bear uncertainty.
There is no certainty; there is only adventure.
The only certainty is that nothing is certain.
In these matters the only certainty is that nothing is certain.