He is no wise man who will quit a certainty for an…

He is no wise man that will quit a certainty for an uncertainty

— Samuel Johnson

“Because God is trustworthy, you need not let worry steal your joy for one more day. With God as your leader, even when confusion…

— Jon Morrison

The only certainty is uncertainty

— Pliny the Elder

The greatest loss of time is delay and expectation, which depend upon the future. We let go the present, which we have in our…

— Anonymous

In an economy where the only certainty is uncertainty, the one sure source of lasting competitive advantage is knowledge.

— Ikujiro Nonaka

In the end it all comes down to this: you have a choice (or more accurately a rolling tangle of choices) between giving your…

— David Bayles

In our reasonings concerning matter of fact, there are all imaginable degrees of assurance, from the highest certainty to the lowest species of moral…

— David Hume

He that resigns his peace to little casualties, and suffers the course of his life to be interrupted for fortuitous inadvertencies or offences, delivers…

— Samuel Johnson

Madness is the result not of uncertainty but certainty.

— Friedrich Nietzsche

In terms of the game theory, we might say the universe is so constituted as to maximize play. The best games are not those…

— George Leonard

ALGEBRA is a general Method of Computation by certain Signs and Symbols which have been contrived for this Purpose, and found convenient.

— Colin Maclaurin

[Friedrich] Nietzsche said something marvellous, he said "Madness is not a consequence of uncertainty but of certainty", and this is fanaticism.

— Elie Wiesel

We desire truth, and find within ourselves only uncertainty. We seek happiness, and find only misery and death. We cannot but desire truth and…

— Blaise Pascal

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

— John Allen Paulos

Criticism, though dignified from the earliest ages by the labours of men eminent for knowledge and sagacity, has not yet attained the certainty and…

— Samuel Johnson