Don't risk injury or death because of over-confidence or lack of knowledge.

不要因为过于自信或缺乏知识而冒受伤或死亡的风险。

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These Banks' clients are demonstrating a renewed appetite for risk, a sign that confidence is returning to markets.

这些银行的客户表现出了风险偏好回升，这是信心重返市场的迹象。

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On the basis that there's a link between confidence and risk-taking, a speeding index, also because people are in a greater hurry when there's business to be done.

BBC: The popcorn route to recovery

Paul Han, a physician at the Maine Medical Center Research Institute, said telling patients about a confidence interval in risk data introduces ambiguity that prompts many to decide not to make a decision or to decide against a proposed intervention.

FORBES: The Fine Line Between Shared and Manipulated Medical Decisions

The uncertainty caused by the muddle-through approach is draining investors' confidence and increasing the risk of a euro disaster.

ECONOMIST: The global economy