people will paradoxically doubt
... that if a disaster is avoided through planning and vigilance, people will paradoxically doubt that the preparation was necessary?
... that if a disaster is avoided through planning and vigilance, <b id="mwBjE"><a href="./Preparedness_paradox" id="mwBjI" rel="mw:WikiLink" title="Preparedness paradox">people will paradoxically doubt</a></b> that the preparation was necessary?