It seems to be part of human nature willfully to deny the possibility of great crises, or at least to downplay them. “Impossible” or “It won’t be all that bad” are the two magic formulae on which we tend to rely.
人们往往对于巨大危机发生的可能固执地否认或者不予重视，这也许是人的本性之一。“不可能”或者“不会那么糟的”是两个我们常常依赖的惯用套词。