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.
Certainty is the mother of quiet and repose, and uncertainty the cause of variance and contentions
Faith means living with uncertainty - feeling your way through life, letting your heart guide you like a lantern in the dark.
Medicine is a science of uncertainty and an art of probability.
Knowledge is an unending adventure at the edge of uncertainty.
There is no such uncertainty as a sure thing.
Uncertainty will always be part of the taking charge process.
All life is an experiment. The more experiments you make the better.
Doubt is not a pleasant condition, but certainty is absurd.
The quality of your life is in direct proportion to the quality of your relationships.
Life is about not knowing, having to change, taking the moment and making the best of it, without knowing what's going to happen next.
Courageous men never lose the zest for living even though their life situation is zestless; cowardly men, overwhelmed by the uncertainties of life, lose the will to live. We must constantly build dykes of courage to hold back the flood of fear.
People read books to escape the uncertainties of life.
Decisions are the endless uncertainties of life that we'll not know if they're right until the very end, so do the best you can and hope its right.
When we reflect on the shortness and uncertainty of life, how despicable seem all our pursuits of happiness.
What if rather than being disheartened by the ambiguity, the uncertainty of life, we accepted it and relaxed into it?
or simply: