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.

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

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.

Knowledge is an unending adventure at the edge of uncertainty.

Knowledge is an unending adventure at the edge of uncertainty.

When the mind is in a state of uncertainty the smallest impulse
directs it to either side.
[Lat., read more

When the mind is in a state of uncertainty the smallest impulse
directs it to either side.
[Lat., Dum in dubio est animus, paulo momento huc illuc
impellitur.]

There is no such uncertainty as a sure thing.

There is no such uncertainty as a sure thing.

This
I ever held worse that all certitude,
To know not what the worst ahead might be.

This
I ever held worse that all certitude,
To know not what the worst ahead might be.

We demand guaranteed rigidly defined areas of doubt and uncertainty.

We demand guaranteed rigidly defined areas of doubt and uncertainty.