To be uncertain is to be uncomfortable, but to be certain is to be ridiculous.

To be uncertain is to be uncomfortable, but to be certain is to be ridiculous.

For my part I know nothing with any certainty, but the sight of the stars makes me dream.

For my part I know nothing with any certainty, but the sight of the stars makes me dream.

We demand guaranteed rigidly defined areas of doubt and uncertainty.

We demand guaranteed rigidly defined areas of doubt and uncertainty.

Knowledge is an unending adventure at the edge of uncertainty.

Knowledge is an unending adventure at the edge of uncertainty.

The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his read more

The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

There is no such uncertainty as a sure thing.

There is no such uncertainty as a sure thing.

Maturity of mind is the capacity to endure uncertainty.

Maturity of mind is the capacity to endure uncertainty.

My thought, whose murder yet is but fantastical,
Shakes so my single state of man that function
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My thought, whose murder yet is but fantastical,
Shakes so my single state of man that function
Is smothered in surmise and nothing is
But what is not.