We have to go straight to the field of uncertainty study instead of certainty theory, for solving the problems bringing by the inefficiency of planning.

为了解决规划失效问题，我们必须超越确定性科学思想，走向不确定性研究领域。

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To teach how to live without certainty and yet without being paralysed by hesitation is perhaps the chief thing that philosophy, in our age, can do for those who study it.

了解怎样和不确定性一起生活而不会迟疑不知所措，这大概就是我们这个时代哲学能教你的最主要的东西。

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This [study] gives hope, though not certainty, that we've found the primary place where scratching works.

这项研究尽管不是让我们一定能找出抓挠作用的基本点，却给了我们希望。

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"Some of the skills required to operate were impaired in the study, but it is difficult to say with certainty how this would translate into real clinical performance, " she says.

CNN: Surgeons' 'bottle-to-scalpel' time affects errors

If there is one certainty that greeted publication of an Environmental Protection Agency-funded study showing that bisphenol A (BPA) was below the level of detection in people fed a high BPA diet, it was that University of Missouri biologist, Dr. Frederick vom Saal, the scientist who first ignited the global panic on BPA, would, sooner or later, denounce it as astoundingly flawed and influenced by industry research.

FORBES: Top Government Scientists Catch Media's Favorite Anti BPA Researcher in Absurd Claims, Ties To Trial Lawyers

Yet more than 90% of workers in their thirties say the most important thing they want in their financial plans is certainty of success guarantees according to a Hartford Financial Services Group study.

FORBES: How Wall Street Unloads Its Risk On Unsuspecting Savers