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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.

I think that when we know that we actually do live in uncertainty, then we ought to admit it; it is of great value to realize that we do not know the answers to different questions. This attitude of mind - this attitude of uncertainty - is vital to the scientist, and it is this attitude of mind which the student must first acquire.

Although our intellect always longs for clarity and certainty, our nature often finds uncertainty fascinating.

We must become more comfortable with probability and uncertainty.

Information is the resolution of uncertainty.

I used to be scared of uncertainty; now I get a high out of it.

Some people, both scientists and religious people, deal with uncertainty by being certain. That is dangerous in the fundamentalists and it is dangerous in the fundamentalist scientists.

Uncertainty's not good for anybody.

There's a certain kind of scepticism that can't bear uncertainty.