由于隐喻是生动的和令人难忘的，并且由于它们不容易受到批判性分析，因此即使它们是不适当，无用或误导的，它们也会对人类的判断产生重大影响。他们用语义歧义取代了对世界的真实不确定性。隐喻是掩盖。
(Because metaphors are vivid and memorable, and because they are not readily subjected to critical analysis, they can have considerable impact on human judgment even when they are inappropriate, useless, or misleading," said Amos. "They replace genuine uncertainty about the world with semantic ambiguity. A metaphor is a cover-up.)