There is no such uncertainty as a sure thing.

There is no such uncertainty as a sure thing.

Knowledge is an unending adventure at the edge of uncertainty.

Knowledge is an unending adventure at the edge of uncertainty.

Certainty is the mother of quiet and repose, and uncertainty the cause of variance and contentions

Certainty is the mother of quiet and repose, and uncertainty the cause of variance and contentions

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.

Uncertainty will always be part of the taking charge process.

Uncertainty will always be part of the taking charge process.

Uncertainty is the only certainty there is, and knowing how to live with insecurity is the only security.

Uncertainty is the only certainty there is, and knowing how to live with insecurity is the only security.

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.

We demand guaranteed rigidly defined areas of doubt and uncertainty.

We demand guaranteed rigidly defined areas of doubt and uncertainty.

An image is a stop the mind makes between uncertainties.

An image is a stop the mind makes between uncertainties.