Knowledge is an unending adventure at the edge of uncertainty.

Knowledge is an unending adventure at the edge of uncertainty.

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.

Maturity of mind is the capacity to endure uncertainty.

Maturity of mind is the capacity to endure uncertainty.

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.

Uncertainty and expectation are the joys of life. Security is an insipid thing, through the overtaking and possessing of a read more

Uncertainty and expectation are the joys of life. Security is an insipid thing, through the overtaking and possessing of a wish discovers the folly of the chase.

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.

Who knows whether the gods will add tomorrow to the present hour?
[Lat., Quis scit, an adjiciant hodiernae crastina read more

Who knows whether the gods will add tomorrow to the present hour?
[Lat., Quis scit, an adjiciant hodiernae crastina summae
Tempora di superi?]

There is no such uncertainty as a sure thing.

There is no such uncertainty as a sure thing.