# "It is not our function—paraphrasing a philosopher whom we do not like—to be a fly swatter, but when a fly acquires delusions of grandeur, the best of us must stoop to do a little job of extermination.
There are no more uses of "delusions of grandeur" in the book.
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He suffers from delusions of grandeur.
Delusions of grandeur made him confident he would be victorious.